Optical pumping
[电] 光激升
🧩 词语组成解析
n. 抽水, 泵送\\n[化] 抽运
🗣️ 情景例句
My car broke down on the road.
我的车在路上抛锚了。
When a dog is drowning everyone offers him drink.
落井下石。
On Saturday, Ann came home from school a little earlier.
星期六，安放学后提早了点回家。