Circle of willis
动脉环；脑底动脉环；韦氏动物环；[解剖] 韦利斯氏环
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 威利斯（姓氏, 男名）
🗣️ 情景例句
Just rest now.
现在好好休息。
They've been married for quite a few years.
他们结婚好多年了。
I knew that experts from the local museum would soon visit the cave.
我知道本地博物馆的专家会很快到山洞来探访。