Osteocalcin
骨钙素；骨钙蛋白
🗣️ 情景例句
I'd like to loan some money.
我想贷点钱。
That's fine.
好得很。
Can't you see? They're round, like the moon. Have one, please.
你没看见吗？它们像月亮一样，圆圆的。请吃一个吧。