Biceptor
双受体
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
How much is the rent for a month?
每月租金多少？
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？