water cycle的用法和樣例：
例句
用作名詞 (n.)
- As we have already noted, the movement of water into the ground is part of the hydrologic cycle.
我們已經(jīng)說(shuō)過(guò)，水向地下運動(dòng)是水文循環(huán)的一部分。 - Many scenarios for global warming, for example, invoke a speedup in the hydrological cycle by which water evaporates and then comes down as rain.
例如，全球氣候變暖的許多現象引起了水文循環(huán)的加速，其形式是水分的蒸發(fā)上升，然后以雨的形式降落至地面。
