防冻剂

例句：

1. 1. To prevent the car from freezing during winter, we need to add some antifreeze to the engine.
   为了防止汽车在冬天结冰，我们需要向发动机中加入一些防冻剂。
2. 2. The engineer used a special antifreeze to treat the leaking pipe.
   工程师使用一种特殊的防冻剂来处理泄漏的管道。
3. 3. The antifreeze in the solution is crucial for preventing the vehicle from overheating.
   溶液中的防冻剂对防止车辆过热至关重要。