Cavum pulpae
[医] 髓腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
Western countries have evry strict visa requirements.
在西方国家有严格的签证要求。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
for he brought science to the game.
是他把科学引进了这项运动。