You can't see me.I can't see you.When you call ,I answer .When I _英语解答

You can't see me.I can't see you.When you call ,I answer .When I speak ,you listen.What is it?
脑筋急转弯

人气：486 ℃　时间：2020-05-20 20:24:17

解答

phone
电话
希望能够帮到楼主