Ejector vacuum pump
[化] 喷射真空泵
🧩 词语组成解析
n. 驱逐者, 排出器, 放出器\\n[化] 喷射泵; 喷射器
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
Oh, no sir. We already gave you a discount on each item.
哦，不行，先生。每一件东西我们都给你打过折扣了。
Yes, but I'd rather not have done it.
是的，但我宁可没有这样做。
The ball struck him so hard that he nearly fell into the water.
球重重地打在他身上，使他差点儿落入水中。