Biunique
a. [数]一( 对) 一的, [语]单向双系列对应的
🗣️ 情景例句
Have you ever been to a buffet dinner?
你去吃过自助餐吗？
Let's see you do it!
有本事你做给我看！
I am in charge of the company when the manager is out.
经理不在时山我来管理公司。