防冻剂的英文：
antifreeze

Shall I put some anti-freeze in the radiator ?
要不要在散热器里注入一些防冻剂？

Shall I put some anti-freeze in the radiator?
要不要在散热器里注人一些防冻剂?

A substance, often a liquid such as ethylene glycol or alcohol, mixed with another liquid to lower its freezing point.
防冻剂，防冻液，抗凝剂一种物质，通常是液体，如乙二醇或酒精，和另一种液体混合来降低冰点

antifreeze agents are necessary in emulsion polymerizations carried out at low temperatures
当在低温下进行乳液聚合时需要加入抗冻剂。

The cooling system takes heat away from the engine by circulating a liquid coolant (water mixed with antifreeze) between the engine and a radiator
冷却系统通过在发动机和散热器之间流动的液体冷却液(加了防冻液的水)使发动机降温。

`ant' is a prefix in `antacid'; `anti' is a prefix in `antihistamine'and `antifreeze'.
‘ant'是‘antacid（抗酸性的）’的前缀；‘anti’是‘antihistamine（抗组胺剂）’和‘antifreeze（防冻剂）’的前缀。