r with rapid movements
adv. 飞快地, 迅速地, 赶紧地
1. The technology is advancing rapidly every year.
技术每年都在迅速发展。
2. He finished his homework rapidly to go out and play.
他迅速完成了作业以便出去玩。
3. The weather changed rapidly from sunny to rainy.
天气迅速从晴天变成了雨天。