名词
中文翻译：Unknown
同义词：
['precipitation', 'rainfall']
例句：
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1. The rain is heavy today, and the streets are flooded.
今天雨很大，街道被淹了。
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2. Rainfall is a crucial factor in determining the quality of soil.
降雨量是决定土壤质量的重要因素。
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3. The farmers rely on the rain to irrigate their crops.
农民依靠雨水来灌溉他们的作物。