discolour 是什么意思

	vt. 使变色；使褪色；污染，弄脏。 wallpaper discoloured by age 褪色的陈年糊壁纸。 vi. 1.变色；褪色，脱色。 2.污染，变脏。 n. -ation ,-ment n. 变色，褪色。

change color, often in an undesired manner; "The shirts discolored"
同义词：discolor, colour, color,

	1.	The sky was a tumult of discoloured clouds . 天空中乱纷纷地浮动着污浊的云。
	2.	I had not had my skin discoloured . 我的皮肤并没有染上颜色。
	3.	They were terrorized and discoloured by the thought of an approaching death . 他们早已被死到临头的想法吓昏了。
	4.	It was a discoloured face - it was a savage face 没有血色，一付凶相。
	5.	Do not consume food that has been discoloured or tastes abnormal 不应进食已经变色或变味的食物
	6.	Do not consume food that has been discoloured or tastes abnormal ; and 不应进食已经变色或变味的食物及
	7.	Smoking discolours the teeth 吸烟会使牙齿变色
	8.	Discard any foods that look mouldy , damped , shriveled and discoloured 食物如看似霉坏潮湿皱皮或变色，便应弃掉。
	9.	Discard any foods that look mouldy , damped , shriveled and discoloured 食物如看似霉坏、潮湿、皱皮或变色，便应弃掉。
	10.	Spectrophotometric determination of trace cr in water with oxidation discolouring of xylidene blue by cr 二甲苯胺蓝褪色光度法测定水中痕量铬

discolour是什么意思