Differential pump
[化] 差动泵
🧩 词语组成解析
differential
['dɪfə'rɛnʃəl]
adj. 差别的;特意的;[数]微分的;[机，物]差动的;
n. [数]微分;差别;工资级差;[机]差动器;
di, dif, divid 表示”分开”;”取消”,”否定”;”不同”
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
Are you the loans-officer?
你是贷款部负责人吗？
What would you have done last night if you hadn't had to study?
如果昨晚你不必学习你会做什么？
For a few hours, you settle back in a deep armchair to enjoy the flight.
几小时之内，你躺在扶手椅上，享受着旅途的欢乐。