Her laughter, which was very infectious, broke the silence.(她的富有感染力的笑声打破了沉默。)
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。)
Take a simple example like infectious disease.(简单地以传染病为例。)
And changes were infectious, I believed.(并且我相信这些变化是有感染力的。)
She radiates an infectious enthusiasm for everything she does.(她做的每件事都散发出一种有感染力的热情。)
This disease is not contagious [infectious].(这病不传染。)
Infectious diseases are not the only problem.(那里不只是传染病问题。)
The system would greatly reduce the incidence of many infectious diseases that are acquired at the agricultural interface.(该系统将大大减少从农业中感染的许多传染病的发病率。)
I'm still infectious.(我还处在传染期。)
Is it possible to enjoy a peaceful life in a world that is increasingly challenged by threats and uncertainties from wars, terrorism, economic crises and a widespread outbreak of infectious diseases?(当今世界，战争、恐怖主义、经济危机、大规模爆发的传染性疾病等威胁和未知因素层出不穷，人类能否在这样一个环境中拥有和平生活？)
