Variable delivery pump
[化] 可变排量泵
🧩 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
I will get him to accept the offer.
我会使他接受建议。
She couldn't discern the very slight differences between the two.
她无法分辨双方为少的差异。
No. It isn't real, said Meimei. It was used in plays.
“不，那不是真的，”梅梅说，“那是演戏用的。”