infectious,contagious 这一对词都是形容词,又都具有传染性的、传染病的意义,但内涵和使用场合有所不同。 Infectious disease 是间接传染的病,指病菌通过空气、食物、水、衣服、容器等物的传染。例: Tuberculosis is an infectious disease. 肺结核是一种传染病。 Its said that cancer is not infectious. 据说癌症是不会传染的。 Contagious disease 是直接传染的病,一般指跟病人直接接触而感染的病。例: Scarlet fever is a contagious disease. 猩红热是一种传染病。 Measles and aids are highly contagious. 麻疹和艾滋病是很易传染的。 这两个词用作转义时,可以互换使用,它们都表示感化、感染之意。例如: The enthusiasm for the pop-singer is contagious. He stood there like a fool amid the infectious laughter of his friends. Infectious 的名词是 infection;contagious的名词是contagion. |