Osteonecrosis
骨坏死
🗣️ 情景例句
Oh, not at all. We're still eating.
噢， 没关系 。我们还在吃着呢。
A bird may be known by its song.
什么鸟唱什么歌。
I'm sorry, sir.That clock's ten minutes slow.
对不起，先生，那个钟慢了10分钟。