Quadruplicating
n. 一式四份\\na. 四倍的；四次方的\\nvt. 使成四倍
🗣️ 情景例句
That sounds very nice. When will it be?
听起来真不错，什么时候呢？
The stations are always full of people.
火车站里经常挤满了人。
I don't know.
我不知道。