Osteocalcin
骨钙素；骨钙蛋白
🗣️ 情景例句
Football players are always popular with the ladies.
足球队员往往很讨女生的喜爱。
Alone, he brooded over his mistake.
她常常独自沉思自己的过失。
Two days alter, Louis Bleriot arrived near Calais with a plane called 'No.XI'.
两天之后，路易斯。布莱里奥驾驶一名为“11号”的飞机来到加来附近。