Air extracting pump
[机] 抽气泵
🧩 词语组成解析
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
n. 提取；萃取；撷取
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
But our anniversary isn't until Saturday.
但是要到星期六才是我们结婚周年呀。
My son wants to be a policeman when he grows up.
当他长大时，我的儿子想要成为一个警察。
At that time he had two helpers.
那时他有两个帮手。