Optional switched channel
[计] 任选开关通道
🧩 词语组成解析
a. 转换的
🗣️ 情景例句
Your car's very noisy. The muffler must be damaged.
你的车噪音真大，消声器一定出毛病了。
For a lost thing care nothing.
一事之失，不必介意。
You'd better hurry and buy a ticket then. It'll be very popular.
那你最好赶紧买张票吧！他的音乐会是很受欢迎的。