Helicoidal pump
[化] 螺旋泵
🧩 词语组成解析
n. 螺旋面
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
Well, thanks so much for your help and your time,
好的， 感谢你的帮助 用了你的时间。
Would you take this coat to the cleaner's?
你可以把这件外套送到洗衣店吗？
Mr and Mrs Shute were very sad. But what could they do?
舒特先生和夫人非常难过。但他们有什么办法呢？