Reciprocating piston pump
[化] 往复式活塞泵
🧩 词语组成解析
[医] 交互的, 往复的
piston
['pɪstən]
n. <机>活塞;
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
Harry and Michelle can watch Max sleeping.
Harry和Michelle可以去看Max在睡觉。
These pills can be obtained by prescription only.
这些药丸只有凭医生处方才能买到。
I would like to present our comments in the following order.
我希望能依照以下的顺序提出我们的看法。