当灯灭了,门就自动关了.用英语怎么说
问题描述:
当灯灭了,门就自动关了.用英语怎么说
答
The door will be closed automatically when the light is off.
当灯灭了,门就自动关了.用英语怎么说
The door will be closed automatically when the light is off.