discoloration

英 [,dɪskʌlə'reɪʃn]美 [,dɪs,kʌlə'reʃən]

n. 变色；污点

英文词源

discoloration (n.)

1640s, noun of action from discolorate (early 15c.), from past participle stem of Medieval Latin discolorare (see discolor) + -ation.

双语例句

1. discoloration caused by the sun

因日照引起的退色

来自《权威词典》

2. Valuably diminishes dark circle and discoloration for clear eyes.

消除黑眼圈、晦暗,创造明亮的眼眸.

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3. Erythema, edema and a purple discoloration of the eyelids are of dermatomyositis.

眼睑红斑 、 水肿、淡紫色是皮肌炎的特征.

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4. Bacterial infection causes swelling, discoloration, and then a foul smell.

患部肿胀, 变色, 后来发出恶臭味.

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5. This discoloration qualitatively suggests that the substance is low in inorganic iron.

从定性的角度考虑,这种褪色表明这种物质的无机铁含量很低.

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