名词
中文翻译：减速剂
同义词：
['slowing agent', 'retardant例句：1. The chemical retardin is used to slow down the reaction rate.（这种化学减速剂用于减缓反应速率。）']
例句：
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1. The chemical retardin is used to slow down the reaction rate.
这种化学减速剂用于减缓反应速率。
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2.The retardin was designed to prevent the vehicle from overheating.
这种减速剂被设计用来防止车辆过热。
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3. The retardin is applied to the surface of the material to reduce its friction.
将减速剂涂抹在材料表面以减少其摩擦。