1. If no other safe water supply can be obtained, tap water that is too hot to touch can be left to cool and is generally safe to drink.
    如果没有其他安全的饮用水，水管中流出的烫手的水可以留下来冷却。这种水一般是安全的。

2. I stopped to let the car cool off and to study the map.
    我停下车，让汽车发动机冷却一下，同时查看一下地图。

3. I knew then that w-a-t-e-r was the wonderful cool something flowing over my hand."
    那时我才知道w-a-t-e-r这些字母原来就是在我手中流过的那凉爽、美妙的东西。”