river environment的用法和樣例：
例句
- Groundwater is an important and indiscerptible part of the whole water environment.
地下水是水環(huán)境不可分割且十分重要的一部分。 - The State shall institute a system for eliminating outdated production techniques and equipment which seriously pollute the water environment.
國家對嚴重污染水環(huán)境的落后生產(chǎn)工藝和嚴重污染水環(huán)境的落后設備實(shí)行淘汰制度。
