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
Hi, Betty. I'll be at five five five...seventeen twenty.
好 Betty 我的号码是555-1720。
He has a dog.
他有一条狗。
She told reporters she felt very tired and didn't want to make another film for a long time.'
她告诉记者她感到很疲劳，早就不想再拍电影了。