跑跑跑pao
i'm outside your building,please come down i'm outside the door,please open the gate
桃色蔷薇
我到你家楼下了。你下来吧。I have already been downstairs of your house, you can get down.我现在在你家门口,你开个门。I am at your door now, please open the door.或者:I've been at your door now , open the door, please.
niuzhirong
可以说single leaf swing door如果是双开门就是double leaves swing door下翻门也就是卷帘门吗 可以说rolling shutter door