流感的传染性很高。
我还处在传染期。
This disease is not contagious [infectious].
这病不传染。
The patient is still infectious.
这个病人仍具有传染性。
Leprosy is not highly infectious.
麻风的传染性不很强。
What an infectious laugh she has!
她的笑声多么具有感染力啊！
微笑是会感染人的。
Because our excitement was infectious.
因为他们被我们自己的兴奋感染了。
He kept his son from the infectious flu.
他不让儿子得传染性流感。
A: Measles is a highly infectious disease.
答：麻疹是一种传染性很强的疾病。
The skin rash of syphilis is infectious.
梅毒皮疹是有传染性的。
Infectious diseases are not the only problem.
那里不只是传染病问题。
Take a simple example like infectious disease.
简单地以传染病为例。
CONTROLLING infectious disease is an arms race.
控制感染性疾病就像是一场拉锯战。
To find out more, see How long am I infectious?
欲搜索更多请看Howlongamiinfectious ？
And the boy often broke into an infectious laugh.
于是男孩就会爆发出有感染力的大笑。
His positive attitude and his laugh were infectious.
他积极乐观的态度和他的笑声很有感染力。
Glass says infectious disease is a perennial concern.
格拉斯说，预防传染病应该是一种常年的关注。
His laughter, which was infectious, broke the silence.
他那富有感染力的笑声打破了沉寂。
While you have this rash you are still infectious.
身上还有这种疹子，就仍然有传染性。
Her laughter, which was very infectious, broke the silence.
她的富有感染力的笑声打破了沉默。
Infectious diseases spread. Water and air pollution spread.
传染病在传播，水和空气污染在传播。
TB is the number-one infectious disease killer in the world.
结核病是世界第一传染病杀手。
The investigation also found no evidence of an infectious disease.
调查同样也没有找到传染疾病的证据。
Infectious disease experts say people need to be aware of the symptoms.
传染病专家说人们需要知道症状是什么。
It was infectious. It was driven. It was nearly impossible to kill.
它有传染性，传播飞快，几乎是无法消灭的。
It was infectious. It was driven. It was nearly impossible to kill.
它有传染性，传播飞快，几乎是无法消灭的。
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