water-use ratio
英
美
- ratio n.比率；比例
- use n.使用；用法；使用权；运用v.利用；对待；使用；吸（烟）；服用（毒品）
- water n.水；海域；雨水；海水v.给...浇水；给...供水；加水稀释；充满眼泪；给...水喝
- Salt water has more buoyance than fresh water.
咸水比淡水浮力大。
- The water pumped from wells is much cleaner than that pumped from rivers.
从井里抽出来的水比从河里抽上来的水清洁得多。
