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
I had never been there before.
我以前从来没有去过那里 。
Wasn't he a little bigger than you?
他不是块头比你大一些吗？
I'm very disappointed.
真让我失望。