light water
noun /ˈlaɪt wɔːtə(r)/
/ˈlaɪt wɔːtər/
[uncountable]- (chemistry
) water that contains the normal amount (or less) of deuterium化学 compare heavy water轻水(即普通水,水中氘含量不超过正常值) - (specialist) a type of foam (= mass of bubbles) used to put out fires
泡沫灭火剂