Cavum medullare
[医] 髓腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
Yeah. Thanks.
真的。 谢谢。
What is the sort of furture?
这是什么风格的家具？
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。