Injection pump plunger
[化] 喷射泵柱塞
🧩 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;
plunger
[['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
🗣️ 情景例句
We used to catch crabs.
我们以前常捉螃蟹。
Are you going to use cash or traveller's cheques?
您是用现钞换呢，还是用旅行支票换？
When are you going to have a holiday, Sam?
萨姆，你准备什么时候去度假？