Osteogen
成骨质
🗣️ 情景例句
No, I won't agree! don't waste your breath.
不。 我不会同意的。 别跟我这儿费口舌。
We should weep for men at their birth and not a t their death.
我们应在人降生时流泪，而不该在人死亡时哭泣。
Yes, it is. Hi, Jim!
是的，我是。你好，吉姆！