英语
on 和off 哪个是开哪个是关?

2020-02-07

on 和off 哪个是开哪个是关?
优质解答
on：开
off：关
The light is on.灯亮着.
The light is off.灯灭了.
turn on 打开
turn off 关掉 on：开
off：关
The light is on.灯亮着.
The light is off.灯灭了.
turn on 打开
turn off 关掉
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