Backjoint
n. 石阶踏步背榫; 留槽待填
🗣️ 情景例句
The organization serves major companies in this city.
这个组织为本市各大公司服务。
Did you make bean milk yourself?
你自己亲自做豆奶？
Yes, please. That would be kind of you.
是啊。你真好！