Margo vertebralis
[医] 脊柱缘
🧩 词语组成解析
[医] 缘
🗣️ 情景例句
My mom is available to baby-sit this weekend.
我妈妈在这个周末可以照顾小宝宝。
Sorry, it's broken. You have to use the stairs.
对不起，它坏了，你只能走楼梯了。
There were twenty cars in the race.
参加比赛的有20辆汽车。