黑色或棕色坏死组织的英文：
black or brown necrotic tissue

This is Sergeant Black.
这位是布莱克中士。

It is a black township.
这是一个黑人居住区。

Colour black--Determination of blackness
GB/T7048-1993色素炭黑黑度的测定

astonish the Browns
故意做出使一般人惊讶的事|故作惊人之举

I have a brown book and brown ball.
我有一本棕色的书和一颗棕色的球。

Of a grayish to deep reddish brown to deep grayish brown.
灰色到深红棕色到深灰褐色之间的

Chlorotic or necrotic lesions were evidence of decreased photosynthetic tissues
缺绿的或坏死的侵蚀斑便是减少了光合组织的证据。

The accumulation of excessive amounts of liquid manure frequently leads to necrotic posthitis
积聚过多的水样粪便，往往导致坏死性包皮炎。

The chlorotic areas become necrotic. The issue dies and leaves dry up.
褪绿区坏死，组织死亡，叶片干枯。