Mechanical pump
[化] 机械泵
🧩 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
Today's exchange rate is 170.8.
今天的兑换率是一百七十点八。
None but a wise man can employ leisure well.
唯智者善于利用空闲。
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。