Columnae vertebralis
[医] 脊柱
🧩 词语组成解析
[医] 柱
🗣️ 情景例句
Alexandra.
Alexandra。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
The guest who arrives half an hour too soon is the greatest nuisance.
客人提前半小时到达是令人讨厌的。