Ostial fistula
[医] 唇状瘘
🧩 词语组成解析
[医] 口的, 门口的
n. 瘘, 瘘管\\n[医] 瘘, 瘘管
🗣️ 情景例句
There are abundant free materials available on the internet.
因特网上有丰富的免费资料提供。
The (or A) beggar may sing before the thief (or footbad).
既是穷光蛋，何虑窃贼偷。
Excuse me. Where's the nearest post office, please?
请问，最近的邮局在哪儿？