discolouration
n. 变色,褪色
例句
Standard medical terminology uses jaundice for a symptom yellow discolouration of skin.
标准医学术语中,“黄疸”是一种皮肤变黄的症状。
Good. Discolouration may occur in sunlight exposure.
好,在太阳暴晒下将引起褪色。
The discolouration in process of routine H. E stain was studied.
就常规H·E制片程序中的褪色问题进行了探讨。