Optional switched channel
[计] 任选开关通道
🧩 词语组成解析
a. 转换的
🗣️ 情景例句
Grandpa! Grandpa!
爷爷！ 爷爷！
I won't buy you story.
我不信你那一套。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。