A viral infection may be localized disseminated or inapparent.病毒感染可以是局限性的,扩散性的,或不显性的.In 1854 , a localized epidemic of Asiatic cholera broke out in London.一种地方性传染病――亚细亚霍乱于1854年在伦敦爆发.The consolidated areas were usually pl...
投资者应该关注一下瑞士的经济。Investors would do well to take a look at the Swiss economy.瑞士的失业率上升到了0.7%，这个百分比仍然不算太高。Swiss unemployment rose to the still modest rate of 0.7%.瑞士的国有航空公司——瑞士航空公司，最近日子很不好过。Switzerland's national carrie...