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- Cross species infection 跨种感染
- Although natural hosts are birds, the avian influenza viruses are known to cross species barriers to infect other mammals, including humans. 尽管鸟类是自然宿主，但禽流感病毒能够跨物种感染其它哺乳动物包括人类。
- Two and three candidal species infection accounted for 25% and 21% respectively. 实验组念珠菌2种和3种念珠菌混合感染率分别为25%25和21%25。
- Abstract: There is no proof yet of safety or danger on cross- species infection in xenotransplantation till now. 文章摘要: 目前没有确定的证据表明异种移植是安全的还是危险的。
- When influenza viruses from different species infect pigs, new viruses that are a mix of swine, human and/or avian influenza viruses can emerge. 当不同生物带来的流感病毒感染猪后，一种新的带有猪、人类和鸟类的混合型流感病毒产生了。
- Pigs can catch human and avian or bird flu. When flu viruses from different species infect pigs, they can mix inside the pig and new, mixed viruses can emerge. 猪能感染人类流感和鸟类流感或者禽流感。当猪感染不同的流感后，不同的流感病毒能够在猪的体内相互作用并可能产生一种新的病毒。
- To examine the argument for the view that cross- species infection is irrelevant in xenotransplantation and against it respectively. 考察了关于跨物种感染的科学和哲学争论，总结出关于“跨物种感染是伦理上无关的”正反论证，提出自己的反论证。
- When influenza viruses from different species infect pigs, the viruses can reassort (i.e. swap genes) and new viruses that are a mix of swine, human and/or avian influenza viruses can emerge. 当不同种来源的流感病毒同时感染时，病毒之间就会重新“洗牌”(交换基因)，从而产生一种新的“禽人猪”混合病毒。
- With plants we have conclusive evidence that the sterility of crossed species must be due to some principle. 在植物方面，我们已有确实的证据，表明杂交物种的不育性一定是由于某种原理而起。
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- However, the “flu” virus usually develops different variants that are specialized for each species of animal that they infect.Cross species infections are rare. 但是，流感病毒通常是针对不同种类的动物滋生出不同的变种病毒，跨物种传染的情况很少。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
- The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
- This cross marks the spot where she died. 这个十字符号标明她死去的地点。
- He made expiation for our sins on the cross. 他在十字架上为我们赎了罪。
- Mind out for the traffic when you cross the road. 过马路要注意来往车辆。
- Do wolves belong to the canine species? 狼是犬科动物吗？
- Passengers mustn't cross the rails. 乘客不得横过铁路。
- You had better cross out the last name. 你最好把最后一个名字划掉。
