Cavum medullare
[医] 髓腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
I'm leaving for Beijing on a four-day tour.
我马上要去北京旅游4天。
You know the proverb, Smile and the world smiles with you, cry and you cry alone.
要知道有句格言“微笑，世界与你同欢乐；哭泣，你只能独自悲伤”。
I can just have a glance at the rest.
剩下的部分我粗略地看一下就可以了。