Osteonecrosis
骨坏死
🗣️ 情景例句
Kids today have too much freedom, it's not like the old days.
现在的小孩太自由了，不像以前。
I don't think she cares about what happens to her children.
我认为他并不关心她孩子的事。
Oh! Do you have to?
噢！必须收拾吗？