Celling duct
[电] 顶板线道
🧩 词语组成解析
duct
[dʌkt]
n. 管，导管;（电线，电缆等的）管道;
vt. 用导管输送;用管道供应;
🗣️ 情景例句
So?
那又怎么样？
I want a package deal including airfare and hotel.
我需要一个成套服务，包括机票和住宿
Would you please read the draft contract and make your comments about the terms?
请仔细阅读合同草案，并就合同各条款提出你的看法好吗？）