“积雨云”用英语怎么说？

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.It was almost black, dotted with ugly leaden rain clouds.黑压压的积雨云低垂在墨西哥湾上空.Black storm clouds were low and heavy over the Gulf.夕阳现场显示经典的积雨云形成的.The sunset scene shows a classic cumulonimbus clou...

“积雨云”的拼音为：jī yǔ yún...