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
No detail was overlooked.
任何细节都没有忽视。
Sound love is not soon forgotten.
爱深难忘。
The loss for this reason should be charged by the side breaking the contract.
造成的损失必须由毁约方承担。