Meaning of shuǐ xià:
shuǐ xià
水下
Preposition
under the water
Qiánshuǐyuán zhǔnbèi zài shuǐxià tànxiǎn.
潜水员准备在水下探险。
The diver is preparing to explore under the water.
Adjective
submarine
Qiántǐng zài shuǐxià hángxíng.
潜艇在水下航行。
The submarine is navigating underwater.
