Calcoblast
钙质细胞, 造骨片细胞
🗣️ 情景例句
What happened?
发生了什么事？
Do you think the doctor could see me tomorrow before 9:30?
你看医生在明天9:30前能给我看病吗？
One of the most handsome cars was a Rolls-Royce Silver Ghost.
最漂亮的汽车之一是罗尔斯--罗伊斯生产的银鬼汽车，