| 单词 | 化学成分 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔CONSIST OF〕What is the chemical composition of lava? 熔岩的化学成分是什么？朗文写作活用〔CP〕Chemically pure.化学成分纯净的美国传统〔PART〕Magnesium and sodium are the main constituents of salt. 镁和钠是盐的基本化学成分。朗文写作活用〔PART〕Scientists have to break the compound down into its constituents in order to analyze it. 科学家为了进行分析，必须把化合物分解成它的化学成分。朗文写作活用〔chemistry〕The patient's blood chemistry was monitored regularly.那名患者的血液化学成分受到了定时的监测。牛津高阶〔composition〕Irradiation changes the chemical composition of a spice.辐照会改变香料的化学成分。牛津搭配〔composition〕Some minerals have complex chemical compositions.有些矿物的化学成分很复杂。朗文当代〔concentration〕An investigation found high concentrations of cancer-causing chemicals on the property.一项调查发现该建筑含有大量致癌的化学成分。麦克米伦高阶〔constitution〕What's the chemical constitution of the dye? 这种染料的化学成分是什么？朗文当代〔disequilibrium〕The condition is caused by a disequilibrium in the brain's chemistry.这种疾病是由大脑的化学成分失调引起的。韦氏高阶〔fraction〕A chemical component separated by fractionation.分馏：被分馏出的化学成分美国传统〔imbalance〕An imbalance in certain chemicals leads to disturbances in the brain's function.某些化学成分失衡会导致大脑功能紊乱。牛津搭配〔imbalance〕Chemical imbalances actually cause the sleep disturbances.这些睡眠障碍其实是由体内化学成分失衡引起的。牛津搭配〔metasomatism〕The process by which the chemical composition of a rock is changed by interaction with fluids; replacement of one mineral by another without melting.交代变化，换质（作用）：岩石的化学成分通过与液体相互作用而发生变化的过程；一种矿物不经熔化被另一种矿物替代美国传统〔microanalysis〕The chemical identification and analysis of extremely small quantities of matter.微量分析：对于极其微量物质的化学成分测定及分析美国传统〔paleobiochemistry〕The biochemical constituents of fossil organisms.有机生物化石构成的生物化学成分美国传统〔paramorphism〕Structural alteration of a mineral without change of chemical composition.同质异晶（现象）：一种化学成分不改变的矿物结构的变形美国传统〔petrochemistry〕The branch of geochemistry that deals with the chemical composition of rocks.岩石化学：研究岩石的化学成分的地球化学的分支美国传统〔phytochemical〕A nonnutritive bioactive plant substance, such as a flavonoid or carotenoid, considered to have a beneficial effect on human health.植物性化学成分，植物化学物质：非营养生物活性的植物成分，如类黄酮或胡萝卜素，被认为有益人类身体健康美国传统〔qualitative analysis〕The testing of a substance or mixture to determine its chemical constituents.定性分析：确定一种物质或混合物的化学成分的化验美国传统〔rubber〕Any of numerous synthetic elastic materials of varying chemical composition with properties similar to those of natural rubber.合成橡胶：具有不同的化学成分的各种有弹性的合成原料，其属性与天然橡胶类似美国传统〔x-disease〕Hyperkeratosis of cattle caused by ingestion of a toxic substance, especially one of uncertain origin or chemical composition.X病：由于摄取某种有毒物质而引起的牛的皮肤角化过度，尤指一种起因和化学成分不明的物质美国传统Organic vegetables are completely free of preservatives and other chemicals.用有机肥料培植的蔬菜完全不含防腐剂和其他化学成分。剑桥国际Special chemicals prevent cigarettes from going out (= stopping burning) once they're lit.特殊的化学成分使香烟在点燃之后不会熄灭。剑桥国际These bullets contain a special chemical which glows brightly as the bullets fly through the air, indicating the path they have taken.这些子弹含有特殊的化学成分使它们在空气中飞行时能闪闪发光以确定弹道。剑桥国际 |
| 随便看 |
|
英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。