乌云

[wū yún]

• (n) black clouds

参考释义

乌云 [wū yún]

• -
• 短语
  乌云飑 black squall

例句

1. 乌云是雨或雪将至的预兆。
   Dark clouds are a sign of rain or snow.
2. 乌云是下雨的明显前兆。
   Black clouds are an unmistakable sign of coming rain.
3. 乌云密布预示着将要下雨。
   The black clouds threatened rain.
4. 有乌云的时候，就知道快下雨了。
   When there are black clouds you can tell it's going to rain.
5. 乌云压顶，来势不妙。
   Those black clouds look a bit ominous.

短语

• 低云
• 浮云