名词
中文翻译：变色土
同义词：
['decolored earth', 'decolorized earth例句：1. The discoloring earth in the garden is a sign of decay.（花园里的变色土是腐烂的标志。）']
例句：
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1. The discoloring earth in the garden is a sign of decay.
花园里的变色土是腐烂的标志。
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2. The soil was discoloring due to the heavy rain.
由于大雨，土壤开始变色。
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3. The discoloring earth could be used as a natural fertilizer.
变色土可以作为天然肥料使用。