Umbilical ducts
[医] 脐管, 卵黄管, 卵黄柄
🧩 词语组成解析
a. 脐带的, 脐的, 近脐的, 关系密切的\\n[医] 脐的
n. 通风管道；管道（duct的复数）
🗣️ 情景例句
She went to a school-board meeting.
她去参加联合校董会会议了。
And straightforward communication will serve as a useful basic of successful business transactions.
以及坦率的沟通，这些将构成顺利生意交涉的有效基础。
I insist that you give me my money back.
我要求你把钱退给我。