Cavum protovertebrae
[医] 原椎腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
Well, she'll be here later.
来 她会晚一点。
It's up to you.
由你决定。
I heard some one laughing.
我听见有人在笑。