Definite ducts
[医] 直乳管
🧩 词语组成解析
n. 通风管道；管道（duct的复数）
🗣️ 情景例句
so that each one would be a part of it.
好让每个人都成为它的一部分。
I am Chen Jianguo. I am from Shanghai, China.
我叫陈建国，来自中国上海。
Everything has its beginning.
凡事都有开端。