Injection pump
[化] 注射泵; 喷射泵; 射流泵
🧩 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
I want to make a withdrawal.
我想取钱。
Once bitten, twice shy.
一次被咬，下次胆小。
The same old favorites recur year in year out with monotonous regularity.
相同的决心以单调的规律年复一年地出现。