使用雷达探测水下目标是没有用的。

It is no use employing radar to detect objects in water.

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这组与众不同的水下连续镜头是为BBC的《冷冻星球》节目所拍摄的，其中使用了间隔拍摄的技术。

The remarkable underwater footage was filmed for Frozen Planet on BBC One using timelapse technology.

youdao

这机器是为水下使用而特别改装的。

This machine has been specially adapted for underwater use.

youdao

这机器是为水下使用而特别改装的。

This machine has been specially adapted for use underwater.

youdao

随着我的进步，我开始在自由泳的出发和转身中也使用水下蝶泳腿。

As I progressed, I began to kick off the start and turns in freestyle, too.

youdao

随着我的进步，我开始在自由泳的出发和转身中也使用水下蝶泳腿。

As I progressed, I began to kick off the start and turns in freestyle, too.

youdao