Chie
[机械]小型多级卧式变频泵
🗣️ 情景例句
Don't rock the boat.
不要无事生非，引起众怒。
He has a headache and needs aspirin.
他头痛，需要阿斯匹林。
They must keep their hands behind their backs.
他们得一直将手放在背后。