blacken

UK:  ['blækən]

US:  ['blækən]

第三人称单数：blackens  现在分词：blackening  过去式：blackened  

n.

1.黑度

v.

1.变黑,变暗

2.使黑,使暗;中伤(名誉等),诽谤

3.变黑,弄黑

4.变暗,渐渐昏暝

5.毁谤

6.把...弄黑

7.弄暗

8.涂黑

1 . Even if he did so, there is no guarantee he would be given the visa, and he is reluctant to blacken his name.
即便他这么做，也不能保证就能拿到签证，而且他也不愿意玷污他的名声。

2 . But Newton was the more powerful man, and managed to blacken Leibnitz's image comprehensively, at least in England.
可是，牛顿是个有权势的人物，他诋毁莱布尼茨的形象，至少在英国。

3 . Excessive or prolonged exposure to high temperatures will blacken the surface and reduce the effectiveness of the mirror.
因为过度的或长时间暴露于高温下将会使便面变黑和减少镜子有效使用性。

4 . The doctor explains how he can stitch up blood vessels in a healthy limb, causing it to blacken with gangrene over a few days.
这名医生解释说，他可以将血管缝合到健康的肢体里，使肢体在数天之内因为坏疽而变黑。

5 . The little boy hit him hard enough to blacken his eyes.
这小男孩给他重重的一击，把他眼睛打青了。