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
It's so good to have you home again ...
真高兴 ，你又回家了……
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
Mrs.Ramsay received an anonymous letter.
拉姆齐太太收到一封匿名信。