Circulus willisii
[医] 大脑动脉环
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
You can't fight it.
你再争也没有用。
By other's faults, wise men correct their own.
他山之石，可以攻玉。
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。