Circulus umbilicalis
[医] 脐动脉丛
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
Mr. Stewart, I just spoke to Mr. Carlson. Stewart
先生， 我刚刚与Carlson先生通了话。
There are many training classed and night classes.
有许多培训班与夜校。
Back at the hive they watched the wagging dance closely.
他们回到蜂箱旁，仔细观察摇摆舞。