名词
中文翻译：稀释剂
同义词：
['diluent', 'solvent', 'diluting agent']
例句：
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1. The paint needs to be diluted with water before it can be applied.
油漆需要用水稀释后才能涂抹。
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2. The chemical used as a pour-point depressant is harmful to the environment.
用作降低沸点溶剂的化学物质对环境有害。
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3. The engineer used a pour-point depressant to lower the boiling point of the oil.
工程师使用一种降低沸点溶剂来降低油的沸点。