laughter是可数， 复数是 laughters 但通常 laughter 只用单数。
laughter n.笑笑声
例句：
I could hear laughter all around.
我可以听见周围的笑声。
The sound of their laughter died away.
他们的笑声渐渐消失了。 扩展资料
Her account of the visit sent us into fits of laughter.
她讲述参观的经过，我们听得一阵阵大笑。
Her laughter soon dissipated the tension in the air.
她的笑声很快消除了紧张气氛。
She found their laughter and noisy games coarse and rather vulgar.
