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。

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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》

It is much harder for a pilot to achieve a soft landing if the plane is unevenly loaded even more so when the main engine appears to be overheating.

ECONOMIST: A monetary tug-of-war

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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