Annulus
n. 环, 环形物, 体环\\n[化] 环形缝; 环隙
🏥 医学释义
环形物，环形套管
🗣️ 情景例句
Oh, you really had a bad day.
哦 你们真的没玩好。
Stop in the name of the law.
以法律的名义命令停下。
But Fortune's favoured children belong to the second class.
但是，命运之神的宠儿是第二类人，