Optional switched channel
[计] 任选开关通道
🧩 词语组成解析
a. 转换的
🗣️ 情景例句
After you.
请先走。
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
Later it was found that there was a type of mosquito which acted as the carrier of this disease and passed it on to the rabbits.
后来又发现，有一种蚊子是传播这种疾病的媒介，能把此病传染给兔子。