underwater
US
UK underwater adj: (animal: aquatic) (动物)
SC 在水中生活的，水生的 zài shuǐ zhōng shēng huó de ，shuǐ shēng de
Underwater creatures have ingenious ways of getting oxygen.
underwater adj: (submerged in water)
SC 没入水下的 mò rù shuǐ xià de
SC 被淹没在水里的 mò rù shuǐ xià de ，bèi yān mò zài shuǐ lǐ de
The underwater caves can be explored only by expert divers.
underwater adv: (beneath the water's surface)
SC 水平面以下 shuǐ píng miàn yǐ xià
SC 在水下 shuǐ píng miàn yǐ xià，zài shuǐ xià
Some ducks can stay underwater for minutes at a time.
marine archaeology, nautical archaeology, underwater archaeology, also US: marine archeology n: (recovery of underwater remains)
SC 海洋考古学