Piston plunger pump
[机] 柱状活塞泵
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
plunger
[['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
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
Our company has had a big business in Chinese arts and crafts.
我们公司经营大宗中国工艺品。
To tear down buildings
破坏大楼
'I don't think the windows need cleaning at this time of the night.
“我看不必在夜里这个时候擦窗子吧。