Vacant channel
[计] 空余信道
🧩 词语组成解析
🗣️ 情景例句
Is that OK?
可以吗？
It's a poor mouse that has only on hole.
鼠只有一洞，必先把命送。
If you were to ask Harry what was in the bottle, he would tell you that it contained perfumed mud.
要是你问哈里瓶里装着什么，他会告诉你是香水泥。