Osteocalcin
骨钙素；骨钙蛋白
🗣️ 情景例句
Done! You and I, Mrs. Stewart.
办到了！ Stewart太太和我，
I often have lunch at noon.
我常常在中午吃午饭。
Does this whole order go to the same place?
这一整批的货都是送往相同的地方吗？