Osteoplast
成骨细胞
🗣️ 情景例句
I'd like you to meet my friend Nat Baker.
我来向你们介绍我的朋友Nat Baker。
Inside the packet is some money.
小红包里装着些钱。
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。