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
Hello, it's good to see you again.
很高兴又见到你。
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
You have to learn when to ask for help and when to ask for information.
你得学会什么时候请求帮助，什么时候打听信息。