rain clouds

The evening was pitch-dark , stars and the moon were quenched in gray rain-clouds.

这天晚上, 黑咕隆咚 的星星和月亮都被灰蒙蒙的雨云盖住了.

Clouds give promise of rain.

阴云预示着雨的来临.

The clouds threatened rain.

乌云密布预示大雨将至。

They hastened the pace when they saw rain clouds.

他们看见乌云便加快了脚步.

The clouds are gathering together and it's going to rain.

云在聚集,天要下雨了.

It was almost black, dotted with ugly leaden rain clouds.

天上几乎已是一片乌黑, 布满了一团团怕人的浓浓的积雨云.

Dark clouds are the sign of heavy rain.

乌云是大雨将至的预兆。

All clouds are not rain clouds.

云彩并非都下雨.

Janet watched the rain clouds darken the sky.

珍妮特看着乌云将天空变暗.

Dark clouds massed, and we expected rain.

乌云密集, 我们企盼下雨.

Rain clouds are hanging low over the corn fields.

雨云低低地悬浮于玉米地的上空.