在房间里传来笑声可以用英文表示为 "laughter is heard from the room" 或 "there is laughter coming from the room."
这个句子的来源是描述你在房间里听到的笑声。它可以用来描述你听到的笑声是来自哪里的，例如当你走过一个房间时，你可能会听到里面有人在笑。
下面是一些英文例句及其中文翻译：
I could hear laughter coming from the pving room. (我能听到客厅里传来笑声。)
As I walked by the bedroom, I heard laughter emanating from within. (当我走过卧室时，我听到里面传来笑声。)
There was a burst of laughter coming from the kitchen. (厨房里传来一阵笑声。)