She held her breath for three minutes under the water.

她在水下屏息了3分钟。

As a diver, he worked several hours a day under the water.

作为一名潜水员，他每天在水下工作好几个小时。

Under the water, volcanoes continued to erupt, sending up magma and forming mountains of basalt.

在水下，火山依旧持续喷发，向上喷射岩浆并形成了一座座玄武岩山峰。

She dived under the water.

她潜入水下。

The ship sank under the water soon.

那艘船不久就沉没了。