The muddy water needs to be clarified before it is used.
这水太浑了，澄清之后才能用。
2
Firstly, this paper clarified the method of water pricing, the multifunctionality of irrigation, and irrigation water's character of public goods.
分析灌溉水价的作用及其制定理论、灌溉的多功能性、灌溉水的公共物品特性。
3
This year's Nobel Prize in Chemistry rewards two scientists whose discoveries have clarified how salts (ions) and water are transported out of and into the cells of the body.