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
He is new at the work to the work.
他没有做这项工作的经验。
In China people call this Ya-Sui-Qian.
在中国人们把这叫做“压岁钱”。
She tried to explain the situation, saying 'It's only me', but it was too late.
她说了声“是我，别怕！”然后想进行一番解释，但已来不及了。