Osteogen
成骨质
🗣️ 情景例句
Oh, good.
噢， 好了。
I went to see a friend of mine.
我去看了一个朋友。
Holiday hotels tend to cater for one nationality of visitors especially, sometimes exclusively.
假日旅馆有只接待来自一个国家的旅游者的倾向，有时会达到排他的程度。