多云英语怎么说呢snowy

"Overcast" 是表示 "多云" 的英语单词。这个词来自中世纪法语 "couvert"，意思是 "覆盖"，最终在中世纪英语中变成了现在的 "overcast"。
例句：
Today's weather is overcast, with a chance of rain later.
今天的天气是多云，后来有可能下雨。
The sky was overcast, but the sun was trying to break through the clouds.
天空多云，但太阳正试图穿过云层。
The city was shrouded in an overcast gloom.
城市笼罩在一层多云的沉闷气氛中。