Circulus willisii
[医] 大脑动脉环
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
He phoned to cancel the meeting.
他打电话来取消会议。
You're a joke!
你真是一个小丑！