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
And what happened?
发生什么事呢？
A Jack of all trades and master of none.
三脚猫无所长。
We can't sign the contract yet.
我们还不能在契约上签字。