Osteoclasts
(osteoclast 的复数) 破骨细胞
🗣️ 情景例句
She is in a meeting until night.
她开会要开到晚上。
I'm always punctual.
我总是很准时。
But which language is the most widely spoken in the world?
但是世界上哪种语言运用最广泛？