Willis' circle
[医] 韦利斯氏环, 大脑动脉环
🧩 词语组成解析
🗣️ 情景例句
How late are you open?
你们那里开到多晚？
He must needs go whom the devil drives.
势在必行。
Camping sites, by contrast, are highly cosmopolitan.
而露营驻地则相反，是高度世界性的。