1·Laughter is one of the most infectious expressions of emotion.
笑是最具感染力的感情表达方式之一。
—— 《柯林斯英汉双解大词典》
2·Her laughter, which was very infectious, broke the silence.
她的富有感染力的笑声打破了沉默。
3·His laughter, which was infectious, broke the silence.
他那富有感染力的笑声打破了沉寂。
4·You carry a light and laughter with you that are infectious and I'm sure there have been days when being funny is the furthest thing from your mind.
你身上的光芒和笑声很容易感染我，但我相信曾经也有段时间让你觉得幽默是最遥不可及的事。
5·Tears are as infectious as laughter can be.
眼泪跟笑声一样是会传染的。
6·Another great element to laughter is that it seems to be infectious.
另一位伟大的元素笑声是，它似乎是传染病。
7·Hiss laughter, which was infectious, broke the silence.
他那富有感染力的笑声打破了沉寂。
8·How laughter can be infectious!
笑声是会传染的！