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
Something wrong?
有什么不对劲吗？
Well, it's too bad that you have to go.
哦，真遗憾，你一定要走。
They got on so well that Fred decided not to go to the lecture but to show the tourist around the university instead.
他们相处得很融洽，于是弗雷德决定不去听课，而带领这位游客到这所大学各处参观。