这种不被承认就是这次纷争的根源。This lack of recognition was at the root of the dispute.这场危机的根源是这两个群体之间积怨已深的敌对情绪。The crisis is rooted in deep rivalries between the two groups.我们找到了问题的根源。We got to the root of the problem....
Conditions were ripe for an outbreak of cholera.霍乱即将暴发。Cholera is a bacterial infection.霍乱是一种细菌感染。An inoculation against cholera is recommended.建议注射预防霍乱的疫苗。...