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