The product is an additive agent which is to improve the coolant and transmit cooling effect. It can help prevent engine overheating.

本品是改善冷却液传导冷却效能的添加剂，有助于防止发动机过热，具有防锈、防腐、防泡沫等作用。

youdao

The engine is overheating.

发动机过热了。

《牛津词典》

The engine was overheating and the car was not handling well.

引擎过热，汽车运转不正常。

《柯林斯英汉双解大词典》

In an hour or so Spetter can get a 1, 000hp engine to set speed records and smoothly cruise through suburbia without overheating in traffic.

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