Circulus willisii
[医] 大脑动脉环
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
do I really have to
我是不是真的有必要
Thanks a lot.
多谢。
At present I'm giving a lot of concerts.
现在我还要开一些音乐会。