霍乱即将暴发。Conditions were ripe for an outbreak of cholera.霍乱是一种细菌感染。Cholera is a bacterial infection.建议注射预防霍乱的疫苗。An inoculation against cholera is recommended....
Papua New Guinea became independent from Australia in 1975.巴布亚新几内亚1975年脱离澳大利亚正式独立。Students in fifty schools are to act as guinea pigs for these new teaching methods.五十所学校的学生将作为这些新教学法的试验对象。" Guinea hens ,'said Archie...
其轨道速度一定是在每秒几百米。Her orbital speed must be a few hundred meters per second.他在赛跑中让了二百米.He has a handicap of 200 metres.类固醇检测呈阳性后,他的奥运百米金牌被收回。He was stripped of his Olympic Hundred Metres gold medal after testing positive fo...