名词
中文翻译：水合
同义词：
['humidity', 'moisture例句：1. The soil is very dry due to the lack of rainfall.（由于缺乏降雨，土壤非常干燥。）']
例句：
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1. The soil is very dry due to the lack of rainfall.
由于缺乏降雨，土壤非常干燥。
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2. The plant needs more water hydration to survive.
为了生存，植物需要更多的水分。
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3. The air is becoming increasingly humid as the rain approaches.
随着雨的到来，空气变得越来越潮湿。