epidemic contagious infective请问这几个词有什么区别?

epidemic contagious infective请问这几个词有什么区别? track epidemic track epidemic and potential epidemic 艾薇儿 Contagious的翻译 Smiling is Contagious contagious啥意思? social-epidemic是什么意思 epidemic defect是什么意思呀. epidemic-stricken area epidemic routing怎么翻译 epidemic routing怎么翻译 epidemic、influenza、flu怎么搞的啊有epidemic influenza,也有influenza epidemic ,又有epidemic flu pandemic 和epidemic有什么区别 infection和epidemic有什么区别? endemic,epidemic和pandemic的区别是什么? Suicide epidemic has city reeling.如何翻译. Avril的Contagious是什么含义,整首歌曲是什么含义啊? epidemic failures是什么意思?在我们公司与客户签署的质量协议(quality agreement)中有一个关于epidemic failures的条款,请问epidemic failures是什么意思,谢谢! total control of epidemic's Linxiang Project怎么翻译