Annulus umbilicalis
[医] 脐环
🧩 词语组成解析
n. 环, 环形物, 体环\\n[化] 环形缝; 环隙
🗣️ 情景例句
That's wrong.
这是错的。
The doctor says that I should take quinine.
医生说我应该服用奎宁。
The students declared against cheating.
学生们表示反对作弊。