Bigraph
[计] 偶图, 双图
🗣️ 情景例句
First, we have to decide where to live.
首先 ，我们得决定住在哪里。
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
Suppose it rains,what shall we do?
万一下雨，我们该怎么办？