“笑声”常见的英文表达是 laughter ,读音:英 [ˈlɑːftə(r)] ;美 [ˈlæftər] 。
例句:
His loud laughter filled the room.(他响亮的笑声充满了整个房间。)
We couldn't help but join in the laughter.(我们忍不住也跟着笑了起来 。)