Something that exists or happens underwater exists or happens below the surface of the sea, a river, or a lake.
例句
...giant submarines able to travel at high speeds underwater...能夠在水下高速行進(jìn)的巨型潛艇Some stretches of beach are completely underwater at high tide...海灘上有些地方在漲潮時(shí)完全淹沒(méi)在水中。
ADJ
供水下用的
Underwater devices are specially made so that they can work in water.
例句
...underwater camera equipment.水下攝影器材...a pool of clear water lit by underwater lights.被水下燈光照亮的一池碧水
英漢詞典釋義
adj.
水面下的;水下使用的;水下進(jìn)行的
The ship was underwater when they reached her.他們趕到那艘船時(shí), 船已沉到水里了。
英英詞典釋義
Adjective
1. beneath the surface of the water;
"submerged rocks"
2. growing or remaining under water;
"viewing subaqueous fauna from a glass-bottomed boat""submerged leaves"