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
Are you involved in any extra-curricular activities on campus?
你在学校参加过任何课外活动吗？
If the old dog barks,he gives counsel.
老狗叫，是忠告。
To her horror he said that she was two hours too soon.
搬运工说她早到了两个小时，她听后大吃一惊。