Donkey pump
[化] 蒸汽往复泵(锅炉进水泵)
🏥 医学释义
辅助泵
🧩 词语组成解析
donkey
['dɔŋki]
n. 驴，毛驴;笨蛋，傻瓜;（美国）民主党的象征;
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
a portrait of the United States--
一幅美国的剪影--
Whom will you invite to the meeting?
你将邀请谁参加会议？
We should not only know the theory but also how to apply it to practice.
我们不仅要知道理论，还要知道怎样把理论应用于实践。