Ulcus serpens
[医] 匐行性溃疡
🧩 词语组成解析
溃疡
n. 巨蛇座\\n[医] 匐行的
🗣️ 情景例句
I'd like to live in the city,
我也喜欢住在城市，
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。