Quadrupler
[计] 四倍器, 乘装置
🗣️ 情景例句
Would you please make a record of all your foreign currencies?
请把你所带的外币登记一下，好吗？
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
I can express myself in good English.
我可以用很好的英语来表达自己的观点。