switch on 打开
switch off 关掉
switch over 转换
switch between 在...之间切换
A: Can you switch the channel for me?
A：你能帮我换个频道吗？
B: Sure, I've already switched it to the news.
B：没问题，我已经把它切换到新闻频道了。
1) 改变或转换状态
2) 交换或替换事物
3) 切换设备或频道
1. 改变，转换
verb
1. to change direction, position, character, or state; to exchange one thing for another
Synonym: change, exchange, transform