Vacant channel
[计] 空余信道
🧩 词语组成解析
🗣️ 情景例句
Where will we put all the presents?
我们把这些礼物放在哪里？
Would you care to see a movie tonight?
今晚你要不要去看电影？
This factory needs a computer as soon as possible.
工厂需要尽快有一台电脑。