laughter有两个音节。
The audience exploded with laughteragain .人群中又爆发出一阵笑声。
I heard sounds of laughter in the next room .我听到隔壁屋里的笑声。
He threw back his head and roared with laughter .他仰着头哈哈大笑。
Then the laughter burst out afresh .这时候，那阵狂笑又重新爆发出来。
Tears are as infectious as laughter can be .眼泪跟笑声一样是会传染的。
laughter，这是一个名词，意思是“笑声”。它的动词形式是去掉结尾的ter，也就是laugh，表示“笑”的这个动作。回到laughter这个单词上，按照音节的划分可以分为两部分，laugh和ter，重读在第一个音节。
