1·Scarlet fever is highly contagious.
猩红热的接触传染性很强。
—— 《牛津词典》
2·Laughing is contagious.
笑是有感染力的。
—— 《柯林斯英汉双解大词典》
3·The pleasure of connection seems contagious.
联系的乐趣似乎具有感染力。
4·Like the flu, a person's emotional state can be contagious.
就像流感一样，一个人的情绪状态是可以传染的。
5·The cute but clumsy pink piglet, McDull, just might be the most contagious thing this summer.
可爱却又笨拙的粉红小猪麦兜大概是今夏最具感染力的角色了。
6·The reality is, taking one's phone out at the wrong time is worse than belching because, unlike other minor offense, checking tech is contagious.
事实是，在错误的时间拿出手机比打嗝更糟糕，因为这不像其他小过错，查看科技产品是会传染的。
7·This disease is not contagious [infectious].
这病不传染。
—— 《新英汉大辞典》
8·Loving your body is contagious.
爱你的身体是会有感染性的。
9·Forgiveness can be contagious.
饶恕是可以被传播的。
10·And that love is contagious.
爱是富于感染力的。