迅速怎么用英语怎么说

"迅速"的英文表达是 "rapidly" 或 "swiftly" 。

"Rapid" 来源于拉丁语 "rapidus"，意思是 "快的" 或 "急速的"。"Swift" 来源于古英语 "swift" 或 "swīfte"，含义为 "快速的"。

下面是一些使用 "rapidly" 和 "swiftly" 的例句：

The business is growing rapidly.（生意在迅速增长。）
The water level in the river rose swiftly.（河水迅速上涨。）
She spoke rapidly, her words tumbling out one after the other. ( 她说话很快，话语一个接一个地突出。)
He moved swiftly across the room. (他在房间里迅速移动)