Optical pump
[化] 光泵
🧩 词语组成解析
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
She's a real job jumper.
她老是跳槽。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
Yes. You have to practise a lot.
是的，你得大量的练习。