discolouration造句

1、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。

2、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。

3、Good. Discolouration may occur in sunlight exposure.
好，在太阳暴晒下将引起褪色。