Correct

阴云

/ yīnyún /
Strokes

Definition

dark cloud

Example

As a Noun

dark clouds

1
Yīnyún
阴云
yuè
蔽月
  

Dark clouds covered the moon.

2
Bàofēng
暴风雨
láilín
来临
qián
tiānkōng
天空
yīnyún
阴云
密布
  

The sky was covered with dark clouds/was overcast before the storm.

3
Tiānkōng
天空
mǎn
布满
yīnyún
阴云
  

The sky is overcast.

4
Zhànzhēng
战争
de
yīnyún
阴云

war clouds