| 单词 | discoloration |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔black eye〕A bruised discoloration of the flesh surrounding the eye.黑眼眶：眼部周围青肿变色美国传统〔black rot〕Any of several fungal or bacterial plant diseases resulting in dark brown to black discoloration and decay of affected plant parts.黑腐病：一种真菌和细菌植物疾病，可使被传染植物部分由深棕色变为黑色，以至腐烂美国传统〔blotch〕A discoloration on the skin; a blemish.皮肤上的疹斑；疙瘩美国传统〔bruise〕A similar injury to plant tissue, often resulting in discoloration or spoilage.水果的伤痕：植物组织的类似伤口，伤处有色斑，易腐烂美国传统〔bruise〕An injury to underlying tissues or bone in which the skin is not broken, often characterized by ruptured blood vessels and discolorations.青肿：皮下组织或骨头受伤，皮肤没破损，症状是血管破裂，有淤血斑美国传统〔chloasma〕A patchy brown or dark brown skin discoloration that usually occurs on a woman's face and may result from hormonal changes, as in pregnancy.褐黄斑：通常出现在妇女的脸上的一种褐色或深褐色有染斑的皮肤变色，可能由怀孕等引起的激素变化所导致美国传统〔cyanosis〕A bluish discoloration of the skin and mucous membranes resulting from inadequate oxygenation of the blood.发绀，青紫：由于血液中的氧不充足而产生的皮肤和黏膜的带青色的变色美国传统〔ecchymosis〕The passage of blood from ruptured blood vessels into subcutaneous tissue, marked by a purple discoloration of the skin.淤血：血液从破损的血管中流入皮下组织，使皮肤呈现青紫色斑美国传统〔fix〕To prevent discoloration of (a photographic image) by washing or coating with a chemical preservative.固色，定影：用化学防腐剂冲洗或覆以一层防腐物以防（照片）褪色美国传统〔foil〕The foil protects the silvering against condensation and discoloration.镜底的银箔保护镀银不凝结、不褪色。外研社新世纪〔freezer burn〕Discoloration that appears on improperly or inadequately packaged frozen food, caused by evaporation of moisture.瑕疵包装的冷冻食品：由于水分蒸发使包装不当的冷冻食品外露美国传统〔macle〕A dark spot or discoloration in a mineral.矿物中暗斑或变色美国传统〔mildew〕A superficial coating or discoloration of organic materials, such as cloth, paper, or leather, caused by fungi, especially under damp conditions.变色，退色：某些有机物质，如布料、纸张或皮革，其表面由菌类作用而形成的薄层或褪色，尤其在潮湿的环境中美国传统〔photoaging〕The long-term effects of this process on the skin, as wrinkles, discoloration, or susceptibility to cancer.光致老化现象：光致老化过程对皮肤所造成的长期影响，像是皱纹、变色或是罹患癌症美国传统〔scald〕A superficial discoloration on fruit, vegetables, leaves, or tree trunks caused by sudden exposure to intense sunlight or the action of gases.表皮变色：由于突然曝露于强光下或毒气中造成的植物果实、蔬菜、叶子或树干的表皮变色美国传统〔scorch〕A discoloration caused by heat.枯焦：由于热引起的变色美国传统〔speck〕A small spot, mark, or discoloration.小斑点，小污点或小瑕疵美国传统〔spot〕To cause a discoloration or make a stain.产生污渍美国传统〔stain〕To produce or receive discolorations.产生污迹：产生或承受污迹美国传统〔tarnish〕Discoloration of a metal surface caused by corrosion or oxidation.生锈：金属表面由于腐蚀或氧化造成的褪色现象美国传统There are several small discolorations on the fabric.织物上有几处小的褪色。剑桥国际We were concerned by the patches of discoloration on the walls.我们为墙上的褪色斑苦恼。剑桥国际 |
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