blackening 是什么意思

	n. 1.变黑；上黑；致黑；【机械工程】发黑处理；发黑度。 2.黑色涂料〔染料〕；炭粉〔铸造用〕。

changing to a darker color
同义词：darkening,

	1.	The solid decomposed rapidly with blackening . 固体迅速分解并变暗。
	2.	She attempts to blacken her ex-husband's character . 她企图毁谤她前夫的品格。
	3.	Thermopile is usually a blackened thermal detector . 热堆一般是个涂黑了的热探测器。
	4.	The wall was blackened by smoke . 墙熏得黑糊糊的。
	5.	The tomato vines had blackened and the red globes had burst . 番茄藤已变黑，颗颗鲜红的番茄裂纹绽开。
	6.	The larks were silent, the young leaves of the early trees smitten and blackened . 百灵鸟沉默了，幼树的嫩芽也被打得发黑。
	7.	Silver compounds which became blackened by sunlight were known in the 18th century . 十八世纪人们业已发现银化物遇阳光会变黑。
	8.	The output signal from the detector may be the blackening of a photographic emulsion . 探测器的输出信号可以是照相乳胶的黑度。
	9.	Should you hear my name blackened and maligned, will you credit the aspersion ? 要是你听见我的名誉受到诽谤，你会相信那谗言吗？
	10.	After development, incoming light produces blackened silver granules in the layer . 显影后，入射光就在表层产生了发黑的银粒子。

blackening是什么意思