The water had raced down the slope and scoured out the bed of a stream.

水顺着山坡流下来，冲刷出一条小河道。

He raced to pick up the life jackets while his stepmother sent out a Mayday call.

他的继母发出无线电求救信号，他飞跑着去拿救生衣。

My mind raced as I tried to work out what was happening.

我拼命地转动脑筋，想要搞清楚发生了什么事儿。

Peter and John raced to put out the fire.

彼得和约翰跑去灭火。

I raced to the staircase and called out, "Sally, come down immediately!".

我跑到楼梯口，喊道：“莎莉，快下来！“。