Cavum protovertebrae
[医] 原椎腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
Why will the voters vote for you against Boswell,Mrs. Stewart?
为什么选民会投票支持你和Boswell对抗呢，Stewart太太？
He that will eat the nut must first crack the shell.
欲所得，必先劳。
When he returns home at night, he always finds that someone has parked a car outside his gate.
当他夜里回到家时，总是发现有人把车停在他家大门外。