A: Where is the first-aid kit?

A：急救箱在哪里？

I want a small first-aid kit.

我要买一个小的急救箱。

The nurse has taken a first-aid kit.

护士已经带上了一套急救用品。

I keep a first-aid kit in the back of my car.

我在汽车后面备有一套急救用品。

The doctors always keep a first-aid kit convenient.

医生手边要经常备有一个急救箱。