Pneumatization
n. [医](骨或其他组织中的)气腔形成
🗣️ 情景例句
His family is a nuclear family with three generations living together under one roof.
他的家庭是三代同堂住在同一屋檐下。
What day is today?
今天星期几？
OK. I'll bring it to school in the morning.
没问题。明早我带到学校。