Osteochondrosarcoma
[医] 骨软骨肉瘤
🗣️ 情景例句
What floor is the shoe department on?
鞋部在几层？
My father is vacationing in the north.
我父亲正在北方度假。
For a long time.I watched them scurrying around the base of the tree in bewilderment.
在很长一段时间里，我看见蚂蚁围着大树底部来回转悠，不知所措。