overcast

阴天的、多云的、阴沉的

The sky was overcast all morning, so we canceled the picnic.

整个早上天空都很阴，所以我们取消了野餐。

阴暗的、晦暗的文学

His overcast expression told us the news was bad.

他阴沉的表情让我们知道消息不好。

阴天、云层气象

The pilot climbed above the overcast into bright sunshine.

机长爬升到云层之上，进入明亮的阳光中。

使阴暗、笼罩少用

Thick smoke overcast the whole valley for days.

浓烟笼罩整个山谷好几天。