radiator trunnion

例句：

1. 1. The car's engine is a powerful radiator that keeps the engine cool.
   这辆车的发动机是一个强大的散热器，保持发动机冷却。
2. 2.The radiator in the car needs to be checked regularly to prevent overheating.
   汽车中的散热器需要定期检查，以防止过热。
3. 3. The radiator on the car was damaged during a recent rainstorm.
   汽车上的散热器在最近的一场雨中受损了。