Osteichthyes
[医] 硬骨鱼纲
🗣️ 情景例句
And they don't ask a married couple with no children Why don't you have any children?.
他们也不会问结了婚没有孩子的夫妇“你们为什么不要孩子？”。
The student is busy studying math.
这个学生忙于研究数学。
His father runs a restaurant.
他的父亲经营一家餐馆。