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
Do we have a bottle opener on the list, Marilyn?
清单上有开瓶器吗， Marilyn？
And good luck to this wonderful new branch.
我祝愿这家新分行好运。
We could visit the town of Aswan.
我们可以游览阿斯旺城。