underwater

adj.

在水中的；水面下的；

adv.

在水下，在水中；

underwater explosion n. 水下爆炸，水中爆炸

underwater concrete水下混凝土

underwater sound水声；水中音；水中声音；水声设备

underwater robot水下机器人

underwater camera水下摄影机，水下照相机

underwater swimming潜泳

underwater engineering水下工程

1. A basic training on underwater biological survey will be provided.
   本会的海洋科学家亦会随队提供基本的水底生物勘察训练。
2. This machine has been specially adapted for underwater use.
   这机器是为水下使用而特别改装的。

1. Take a deep breath and see how long you can stay underwater.
   深吸一口气，看你能在水里呆多久。

Underwater acoustic networks
Principles of Underwater Sound
Principles of underwater sound - 2. ed.
A survey of practical issues in underwater networks
A survey of practical issues in underwater networks
Recent advances in high-speed underwater acoustic communications
Research challenges and applications for underwater sensor networking
The state of the art in underwater acoustic telemetry : Special issue papers on underwater acoustic communication
On the relationship between capacity and distance in an underwater acoustic communication channel
Multivariable sliding mode control for autonomous diving and steering of unmanned underwater vehicles