Circulus zinnii
[医] 秦氏环, 视神经血管环
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
We have known each other for 6 years.
我们认识有六年了。
I'm sorry, but I have to cancel out luncheon appointment.
真抱歉，不过我不得不取消我们午餐的约会。