Calcoblast
钙质细胞, 造骨片细胞
🗣️ 情景例句
Hot dog? Only seventy-five cents.
要热狗吗 只要七十五分钱。
Cindy's sister will be staying with her for a week.
辛迪的姐姐将要陪她一个星期。
Don't worry about that. Right now you need to stay still until help comes.
别为这事担心。现在，在有人来之前，你必须要呆着不动。