1·Flu is highly infectious.
流感的传染性很高。
—— 《牛津词典》
2·An infectious facial cancer is spreading rapidly among Tasmanian devils.
一种传染性面部癌症正在塔斯马尼亚袋獾中迅速蔓延。
3·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，经济危机和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享受和平生活？
4·I'm still infectious.
我还处在传染期。
—— 《牛津词典》
5·Infectious diseases can be acquired in several ways.
传染病的感染途径有几种。
—— 《牛津词典》
6·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。
—— 《柯林斯英汉双解大词典》
7·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》
8·Those suffering from infectious diseases were separated from the other patients.
传染病患者同其他病人隔离开来。
—— 《牛津词典》
9·This virus was highly infectious.
这种病毒传染性很强。
10·On the 20th of that month, Dr. Welch examined a sick boy, Billy, and knew he had diphtheria, a deadly infectious disease mainly affecting children.
在那个月的20号，韦尔奇博士检查了一个生病的男孩比利，得知他患了白喉，一种主要影响儿童的致命传染性疾病。