Cavum pulpae
[医] 髓腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
I suppose I could call him.
我想我可以打电话给他。
I'm sure I've forgotten something ,but it's too late now.
我肯定我忘记了一些东西，但是它现在是太迟了的。
I have no idea.
我没有头绪。