blackening

基本解釋

It cannot be exported because it doesn't remain fresh for a long while and it starts blackening after a day from being collected.
它不能出口，因為其保鮮期不長，采摘后一天就開始變黑。
It cannot be exported because it doesn’t remain fresh for a long while and it starts blackening after a day from being collected. The fruit is small in size and it is covered by a thick skin.
它不能出口，因為其保鮮期不長，采摘后一天就開始變黑。
The abrupt blackening was the first part of a nationwide program to make British television entirely digital by 2013.
信號的突然消失是英國到2013年實現(xiàn)全國電視數(shù)字化行動的第一部分。
edu.sina.com.cn

There, the two find a human infant blackening over the fire on a spit.
ECONOMIST: New fiction
GIA, blackening the Islamists' image by helping it to carry out some of its more horrific deeds.
ECONOMIST: Algeria

To blacken something means to make it black or very dark in colour. Something that blackens becomes black or very dark in colour.
If someone blackens your character, they make other people believe that you are a bad person.

發(fā)黑
A new process of electroless blackening on aluminum alloy was developed.
開發(fā)出一種鋁合金化學發(fā)黑新工藝。
涂黑