Subcommutation
[电] 副换向
🗣️ 情景例句
My mother knows all there is to know
我母亲完全懂得
Try not to be so timid when you speak.
你讲话的时候不要那么紧张。
Alfred had learned many of their ballads in his youth,
阿尔弗德年轻时学过许多民歌，