Regenerative pump
[化] 涡流泵; 再生泵
🧩 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
about your family background.
关于你的家庭背景的。
The child is father of (or to) the man.
三岁定终身。
The situation seemed hopeless and he knew his life was in danger.
这种情况看来是毫无希望了，他知道他有生命危险。