Cascade rotary pump
[化] 级联泵
🧩 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
How was your trip to New York?
你的纽约之行如何?
Please try to elucidate the facts.
请清楚的说明事实真相。
That does not prove that it does not exist;
这并不是证实不存在噪音对健康的影响。