discoloration
英 [dɪˌskʌl.əˈreɪ.ʃən]
美 [dɪˌskʌl.əˈreɪ.ʃən]
- n. 变色；污点
英语词源
- discoloration (n.)
- 1640s, noun of action from discolorate (early 15c.), from past participle stem of Medieval Latin discolorare (see discolor) + -ation.
权威例句
- 1. discoloration caused by the sun
- 因日照引起的退色
- 2. Valuably diminishes dark circle and discoloration for clear eyes.
- 消除黑眼圈、晦暗,创造明亮的眼眸.
- 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.
- 4. Bacterial infection causes swelling, discoloration, and then a foul smell.
- 患部肿胀, 变色, 后来发出恶臭味.
- 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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