Cavum epidurale
[医] 硬膜外腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
for the one seat on the Riverdale School Board,
争夺Riverdale联合校董会一个席次
We're driving faster than you.
我们驾驶的比你快。
What's on your mind?
你在想什么呢？