Osteocalcin
骨钙素；骨钙蛋白
🗣️ 情景例句
Hollywood is the biggest plant for dreams.
好莱坞是最大的梦工场。
Don't be afraid.
不要害怕。
One of the most famous sailing ships of the nineteenth century, the Cutty Sark, can still be seen at Greewich.
人们在格林威治仍可看到19世纪最有名的帆船之一“卡蒂萨克”号。