Backjoint
n. 石阶踏步背榫; 留槽待填
🗣️ 情景例句
They enjoyed the film very immensely.
他们非常喜欢这部电影。
He's an engineer.
他是工程师。
Good morning, Mrs Brown. Well, what's your trouble, young man?
布朗太太早上好。嗯，小伙子有什么病？