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.
我們已經說過，水向地下運動是水文循環的一部分。 - 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的加速，其形式是水分的蒸發上升，然後以雨的形式降落至地面。
