blacken

动词 blacken:

1. make or become black
   同义词：melanize, melanise, nigrify, black
2. burn slightly and superficially so as to affect color
   同义词：char, sear, scorch

1. The smoke had blackened the white walls of the kitchen.
   烟把厨房白色的墙壁熏黑了。
2. The sky blackened.
   天空变得一片漆黑。

black.en

v.（动词）
black.ened,black.en.ing,black.ens
v.tr.（及物动词）
To make black.
变黑
To sully or defame:
玷污或诽谤：
例句：
a scandal that blackened the mayor`s name.
一件玷污了市长名声的丑闻

To coat (fish or meat, for example) with pepper and other spices and then sear in a hot skillet, thereby producing meat that is black on the outside but tender on the inside.
香黑煎肉：用胡椒或其他香料涂抹（鱼或肉）然后在热平底煎锅上煎炸，制出外黑内软的肉
v.intr.（不及物动词）
To become dark or black:
变暗或黑：
例句：
The day blackened into night.
夜幕降临

【引伸】
black.ener
n.（名词）