Quadrupler
[计] 四倍器, 乘装置
🗣️ 情景例句
I like Chinese food very much and I think Chinese cooking is the best in the world.
我非常喜欢中国饭菜，并且我认为中国的烹饪是世界上最好的。
How long have you been studying English?
你学英语多久了？
A man may acquire great knowledge of topics unconnected with his daily work,
一个人可能会获得与其日常工作无关的某些课题的渊博知识，