contagious

英 [kənˈteɪdʒəs]

美 [kənˈteɪdʒəs]

adj. (疾病)接触传染的; 患接触性传染病

Collins.1 / BNC.15314 / COCA.11527

牛津词典

adj.

（疾病）接触传染的
a contagious disease spreads by people touching each other
1. Scarlet fever is highly contagious.
  猩红热的接触传染性很强。
2. His enthusiasm was contagious (= spread quickly to other people) .
  他的热情富有感染力。
3. a contagious laugh
  有感染力的笑声
患接触性传染病
if a person is contagious , they have a disease that can be spread to other people by touch

ADJ-GRADED （病）接触传染的
A disease that iscontagiouscan be caught by touching people or things that are infected with it.
1. ...a highly contagious disease of the lungs.
  极具传染性的肺病
ADJ-GRADED (感情、态度等)感染性的，会迅速蔓延开的
A feeling or attitude that iscontagiousspreads quickly among a group of people.
1. Laughing is contagious...
  笑是有感染力的。
2. Antonio has a contagious enthusiasm for the beautiful aspect of food.
  安东尼奥对食品赏心悦目这一方面的热情非常有感染性。

adj

(of disease) capable of being transmitted by infection
Synonym:catchingcommunicablecontractabletransmissibletransmittable
easily diffused or spread as from one person to another
1. a contagious grin

Measles is highly contagious.
麻疹很容易通过接触传染。
This disease is contagious.
这种病会传人。
His illness is still contagious and he must be kept away from other people.
他的疾病有传染性，必须把他和其他人隔离开来。
His energy and enthusiasm became contagious as the campaign progressed.
随着竞选运动的进展，他的精力和热情感染了许多人。
Measles is a highly contagious, serious disease caused by a virus.
麻疹是病毒引起的传染性极强的严重疾病。
Hepatitis B is caused by a highly contagious virus that infects the liver.
乙肝是由一种高度传染性的嗜肝细胞病毒感染所致。
The virus is contagious, spreading easily from one person to another, and from one country to another.
病毒具有传染性，很容易在人与人和国与国之间传播。
So I think in the song only into sincere feelings, and vitality will be contagious!
所以我认为在歌声中只有融入真挚的感情，才会有感染力和生命力！
My work exposes me to contagious diseases.
我的工作使我容易受到传染性疾病的威胁。
It is quite common and contagious, and now you know how to use it.
这是很常见的，现在你知道了如何使用它。