Pleonosteosis
[医] 骨化过早, 骨化过度
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
We have thirty minutes to kill.
我们有三十分钟空闲时间。
No, thanks. Help yourselves to the cakes.
不必，谢谢。请随便吃些糕点吧。