| 单词 | 浓度 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔BALANCE〕A fall in glucose levels results in nausea, dizziness, and faintness. 葡萄糖浓度下降会导致恶心、头晕和昏厥。朗文写作活用〔UNCONSCIOUS〕A heavy concentration of the drug may produce dizziness or even unconsciousness. 这种药浓度高时可能引起头晕，甚至失去知觉。朗文写作活用〔acid〕Having a high concentration of acid.酸性的：含高浓度酸的美国传统〔alcohol〕It can take a long time for blood alcohol levels to fall.血液中的酒精浓度需要很长时间才能降下来。牛津搭配〔alcohol〕There was a high level of alcohol in his blood at the time of the accident.事故发生时，他血液中的酒精浓度偏高。韦氏高阶〔ale〕A fermented alcoholic beverage containing malt and hops, similar to but heavier than beer.麦芽酒：含有麦芽和干燥蛇麻草花成份的一种发酵酒精饮料，同啤酒类似但酒精浓度高于啤酒美国传统〔alkalinity〕The alkali concentration or alkaline quality of an alkali-containing substance.碱度，碱性：含碱物质中碱的浓度或碱的特性美国传统〔binder〕Something, such as the latex in certain paints, that creates uniform consistency, solidification, or cohesion.粘合剂：可产生均匀的浓度、硬度和粘着度的某物，如涂料中的乳剂美国传统〔bright〕Characterizing a dyestuff that produces a highly saturated color; brilliant.鲜亮的：能印染出饱和浓度高的色彩的染料的；鲜亮的美国传统〔brine〕Water saturated with or containing large amounts of a salt, especially of sodium chloride.浓盐水：盐浓度饱和的水或含大量盐的水，尤指氯化钠含量美国传统〔choke〕A device used in an internal-combustion engine to enrich the fuel mixture by reducing the flow of air to the carburetor.阻塞门：内燃机上通过减少流向汽化器的空气量使燃料混合物浓度提高的装置美国传统〔colorimeter〕An instrument that measures the concentration of a known constituent of a solution by comparison with colors of standard solutions of that constituent.比色计：比照某种溶质标准溶液的色彩，来测量一种溶液已知溶质浓度的仪器.美国传统〔concentration gradient〕The graduated difference in concentration of a solute per unit distance through a solution.浓度梯度：贯穿整个溶液的每单位距离间的浓度差别美国传统〔concentration〕Additives are expensive but are used in very low concentrations.添加剂很昂贵，但都以很低的浓度使用。朗文当代〔concentration〕Chemistry The amount of a specified substance in a unit amount of another substance.【化学】 浓度：在某一单位物质中另一特定物质的含量美国传统〔concentration〕Evaporation gradually increases the salt concentration of the water.蒸发作用使水中盐的浓度逐渐升高。牛津搭配〔concentration〕High concentrations of toxic elements were found in the polluted areas.在被污染地区发现了高浓度的有毒元素。剑桥高阶〔concentration〕The acid solution is of weak concentration.这种酸溶液浓度低。英汉大词典〔concentration〕The concentration of nitrates in the drinking water has risen in recent years.近年来饮用水中硝酸盐的浓度升高了。牛津搭配〔concentration〕The latest data showed that global ozone concentrations had dropped several per cent over the last decade.最新数据显示，过去10年来全球臭氧的浓度降低了几个百分点。柯林斯高阶〔confit〕A condiment made by cooking seasoned fruit or vegetables, usually to a jamlike consistency.果菜酱：藉由把调味过的水果或蔬菜煮到像果酱一样的浓度来制成的佐料美国传统〔consistency〕Add enough water to achieve the desired consistency and blend until smooth.加入足够的水至需要的浓度，搅拌均匀。牛津搭配〔constitutive〕Of or relating to the synthesis of a protein or an enzyme at a constant rate regardless of physiological demand or the concentration of a substrate.蛋白质或酶不受生理要求或酶作用物浓度而快速合成的或与之有关的美国传统〔cyclin〕A class of proteins that fluctuate in concentration at specific points during the cell cycle and that regulate the cycle by binding to a kinase.细胞周期调节蛋白：一种蛋白质，在细胞循环的特定点会产生浓度上的改变，也会借着结合激酶来调节循环美国传统〔deplete〕Alcohol interferes with blood-sugar levels and can deplete the body of essential nutrients.酒精会使人体内的血糖浓度失调, 也会消耗人体所必需的营养成分。外研社新世纪〔dichroism〕The property possessed by some crystals of exhibiting two different colors when viewed along different axes.双色性：某些溶液由于浓度不同而呈现不同颜色的性质美国传统〔diffuse〕A gas in solution diffuses from a region of greater to one of less concentration.溶液中的气体会由浓度高的部分扩散到浓度低的部分。21世纪英汉〔dilute〕To lessen the force, strength, purity, or brilliance of, especially by admixture.冲淡：减小强度、浓度、纯度或变淡，尤指搀和美国传统〔distill〕To increase the concentration of, separate, or purify by or as if by distillation.精炼：用蒸馏法或好象用蒸馏法增加浓度、分离或净化美国传统〔endosmosis〕The inward flow of a fluid through a permeable membrane toward a fluid of greater concentration.内渗透：一种液体透过可渗透膜流向另一种浓度比它高的液体的内部流动美国传统〔euryhaline〕Capable of tolerating a wide range of salt water concentrations. Used of an aquatic organism.（水生生物）广盐性的：能够忍受各种浓度的盐水域。通常是用于水生有机物美国传统〔experiment〕The appropriate concentration of the drug is best determined by experiment.药物的适当浓度最好通过实验来决定。牛津搭配〔fermentation〕To serve the needs of bakers, manufacturers ferment the yeast to produce a more concentrated product.为了满足面包店主的需要，制造商让酵母发酵，以生产出浓度更高的产品。柯林斯高阶〔ferment〕Manufacturers ferment the yeast to produce a more concentrated product.制造商让酵母发酵以生产出浓度更高的产品。外研社新世纪〔function〕The impact of toxins in the environment is a function of their concentration.环境中毒素的影响随着浓度的高低而变化。外研社新世纪〔glucagon〕A hormone produced by the pancreas that stimulates an increase in blood sugar levels, thus opposing the action of insulin.葡萄蛋白：从胰腺胰岛中提取的结晶蛋白，能提高血糖浓度，以弥补胰岛素对糖的分解活动美国传统〔harm〕The ‘low levels' of cyanide in the river were sufficient to cause harm to aquatic life.河流中“低浓度”的氰化物也足以危害水生动植物。麦克米伦高阶〔heavy〕Having relatively high density; having a high specific gravity.比重较大的：浓度相对较重的；重力大的美国传统〔homogenize〕To make uniform in consistency, especially to render (milk) uniform in consistency by emulsifying the fat content.使均质：使浓度一致，尤指通过乳化脂肠物质使（牛奶）浓度一致美国传统〔hyperglycemia〕The presence of an abnormally high concentration of glucose in the blood.血糖过多症，高血糖症：血液中葡萄糖不正常的高浓度美国传统〔hypocalcemia〕An abnormally low concentration of calcium in the blood.低钙血症，血钙过低：血液中不正常的低钙浓度美国传统〔hypokalemia〕An abnormally low concentration of potassium ions in the blood.低钾血症，血钾过低：血液中不正常的低钾离子浓度美国传统〔hyponatremia〕A deficiency of sodium in the blood.低钠血症，血钠过低：血液中不正常的低钠浓度美国传统〔irritatingly〕In heavy concentrations, ozone is irritating to the eyes, nose and throat.高浓度的臭氧会对眼睛、鼻子和咽喉有刺激作用。柯林斯高阶〔irritating〕In heavy concentrations ozone is irritating to the eyes, nose, and throat.高浓度的臭氧会引起眼睛、鼻子和喉咙发炎。外研社新世纪〔limiting〕He was found to be three times over the limit.他血液中的酒精浓度是允许极限的3倍。柯林斯高阶〔limit〕He was found to be three times over the limit.他血液中的酒精浓度是允许极限的3倍。外研社新世纪〔limit〕His blood alcohol level was 50% above the legal limit .他血液里的酒精浓度超过了法定限度的 50%。朗文当代〔marker〕The density of pores on leaves is a marker for CO₂ concentration.树叶上气孔的密集程度能够指示二氧化碳的浓度。外研社新世纪〔measurement〕The test is based on the measurement of blood levels.这项化验是以测量血液中各成分浓度为基础的。剑桥高阶〔medium〕A solvent with which paint is thinned to the proper consistency.颜料溶解液，展色剂：用以稀释颜料至合适浓度的稀释液美国传统〔molarity〕The molar concentration of a solution, usually expressed as the number of moles of solute per liter of solution.摩尔浓度：一种溶液的摩尔浓度，通常被表示为每升溶液的摩尔数美国传统〔morphogen〕Any of various chemicals in embryonic tissue that influence the movement and organization of cells during morphogenesis by forming a concentration gradient.构形素，定形素：在形态发生过程中通过形成浓度梯度从而对细胞的运动和组织产生影响的胚胎组织中多种化学品的任何一种美国传统〔nitrate〕High levels of nitrate occur in eastern England because of the heavy use of fertilizers.英格兰东部因大量使用化肥导致土壤硝酸盐浓度过高。柯林斯高阶〔normality〕Chemistry The concentration of a solution, expressed in gram equivalent weights of solute per liter of solution.【化学】 规定浓度：溶液的浓度，以一升溶解物中溶质的含量为多少克表示美国传统〔observe〕Scientists have observed a drop in ozone levels over the Antarctic.科学家已经观察到南极洲上方的臭氧浓度下降了。朗文当代〔osmosis〕Diffusion of fluid through a semipermeable membrane until there is an equal concentration of fluid on both sides of the membrane.渗透：液体通过一个半透膜进行的扩散，直到膜两边液体的浓度相同为止美国传统〔osmotic pressure〕The pressure exerted by the flow of water through a semipermeable membrane separating two solutions with different concentrations of solute.渗透压力：当半渗透膜两侧溶液的浓度不同时，水从低浓度的一侧渗过半透膜流向高浓度一侧时产生的压力美国传统〔overdevelop〕To process (a photographic plate or film) too long or in too concentrated a solution.使显影过度：处理（摄影用感光板或胶卷）所用时间太长或所用显影液浓度太高美国传统〔press〕Press reports revealed that ozone levels in the upper atmosphere fell during the past month.新闻报道透露上层大气的臭氧浓度在上个月有所下降。柯林斯高阶〔reconstitute〕To bring (a liquid in concentrated or powder form) to normal strength by adding water.使复原：通过加水使（某种浓缩的液体或以粉末形式出现的液体）恢复成平常的浓度美国传统〔reduce〕Water reduces the potency of vodka.水能降低伏特加的浓度。英汉大词典〔remedy〕The remedy was given in different strengths to a group of volunteers.药按照不同的浓度分发给了一组志愿者。牛津搭配〔rise〕An increase in intensity, volume, or pitch.增高，提高，增大：浓度、体积容量或音调的增加美国传统〔saccharimeter〕A polarimeter that indicates the concentration of sugar in a solution.旋光糖量计：测量溶液中糖的浓度的旋光计美国传统〔saccharimeter〕An instrument that determines the concentration of sugar in a fermenting solution from carbon dioxide measurements.糖量计：通过测量发酵溶液中的二氧化碳含量来确定糖在此溶液中的浓度的一种仪器美国传统〔salinometer〕An instrument that uses electrical conductivity to measure the concentration of salt in a solution.盐液密度计：一种工具，用电流传导测量溶液含盐的浓度美国传统〔sherry〕A fortified Spanish wine ranging from very dry to sweet and from amber to brown.雪利酒：一种西班牙的高浓度葡萄酒，味道从干到甜，颜色从黄褐色到棕色不一美国传统〔sitosterol〕Any of a group of sterols that occur in high concentrations in certain plants, such as yams, and are used in the synthesis of steroid hormones.谷甾醇：一组在某些植物如薯蓣属植物中含有的高浓度的甾醇和甾醇混合物，用于类固醇荷尔蒙的合成美国传统〔stenohaline〕Limited to or able to live only within a narrow range of saltwater concentrations. Used of aquatic organisms.狭盐性的：限于或只能生活于一定盐水浓度的范围内的。用于水生生物美国传统〔strength〕Add water to dilute the solution to the required strength.加水稀释溶液使其达到要求的浓度。朗文当代〔strength〕Degree of concentration, distillation, or saturation; potency.浓度：集中度，浓度，饱和度；效力美国传统〔strength〕Each capsule contains between 30 and 100 pellets of morphine sulphate according to the strength of dose required.根据所需剂量的浓度不同，每颗胶囊里含有 30 至 100 个吗啡硫酸盐颗粒。柯林斯高阶〔strength〕It is very alcoholic, sometimes near the strength of port.它的酒精浓度很高, 有时接近波尔图葡萄酒的浓度。外研社新世纪〔strength〕It is very alcoholic, sometimes near the strength of port.它的酒精浓度很高，有时接近波尔图葡萄酒的浓度。柯林斯高阶〔strength〕The cleaning solution should be used at half-strength.应该使用一半浓度的洗涤液。韦氏高阶〔strength〕These wines vary in strength between 11% and 15%.这些酒的浓度在 11 度到 15 度之间。牛津搭配〔strength〕Young plants can be fed with half-strength liquid fertilizer.幼小的植物可施以一半浓度的液体肥料。朗文当代〔strongly〕In strong concentrations it can cause nausea and vomiting.浓度过高会导致恶心呕吐。柯林斯高阶〔tint〕A gradation of a color made by adding white to it to lessen its saturation.淡色：通过加白色使浓度变化而形成的一种颜色分级美国传统〔titer〕Concentration of a substance in solution or the strength of such a substance determined by titration.滴定度：用滴定的方式测定的一种物质的溶液浓度或这种物质的浓度美国传统〔titrant〕A substance, such as a solution, of known concentration used in titration.滴定剂：一种用于滴定的，浓度已知的物质，如一种溶液美国传统〔titrate〕To determine the concentration of (a solution) by titration or perform the operation of titration.用滴定法测量：用滴定或通过实施滴定的方法确定（一种溶液）的浓度美国传统High concentrations of toxic elements were found in the polluted areas of the sea.在这个海洋被污染的地区中发现了高浓度的有毒元素。剑桥国际I love the depth of colour in her early paintings.我喜爱她早期绘画中色彩的浓度。剑桥国际Such high levels of smog would not normally be expected in a coastal city, where sea breezes should help to disperse it.海岸城市一般不会出现如此高的烟雾浓度,因为海风能够驱散烟雾。剑桥国际Sugar is added to the wine during fermentation to increase the alcohol level.发酵时在葡萄酒里加糖以提高酒精浓度。剑桥国际The investigation found unacceptably high levels of lead in several areas of the city.调查在城市几个地区发现了不可接受的高铅浓度。剑桥国际The level of alcohol in his blood was well below the limit.他血液中的酒精浓度大大低于规定限度。剑桥国际The strengths of our beers range from 3% alcohol to 6%.我们的啤酒的酒精浓度的范围是从3%到6% 。剑桥国际The test is based on the measurement of blood levels.这个化验是以测量血液浓度为基础的。剑桥国际The wine possesses a smoothness and balanced depth which is rare at such a low price.这种葡萄酒味道醇和,它的均衡浓度在同类的低价酒中实属罕见。剑桥国际 |
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