名詞 coolant:

1. a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another

1. A coolant, which may he liquid sodium, water or some other substances can carry away the heat produced in the reactor.
   像液體鈉、水或其他一些物質這樣的冷卻劑能吸走反應堆所產生的熱。
2. The enquiry found that the light aircraft crashed after its engine seized up through lack of coolant.
   調查報告表明，這架輕型飛機是由于發(fā)動機缺少冷卻劑而失靈墜毀的。

cool.ant

n.（名詞）
An agent that produces cooling, especially a fluid that draws off heat by circulating through an engine or by bathing a mechanical part.
冷卻劑：一種用來冷卻的制劑，尤指通過在發(fā)動機中流動或通過沖洗某個機械部件從而帶走熱量的液體