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
Of course.
当然可以。
He turned white with amazement.
他害怕得脸都苍白了。
Suddenly, they heard a voice behind them.
突然他们听到身后有声音。