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
His personality left a deep impression on us.
他的人品给我留下了深刻的印象。
What is the way to the airport?
哪一个方向是去飞机场？
Perhaps there is an element of truth in both these pictures,
也许，这两种都像都有可信之处。