epidemiologistKK [ˏɛpəˏdiˏmiˋɑləˏdʒɪst] /ˌɛpəˌdiˌmiˈɑləˌdʒɪst/发音名词1流行病学家Epidemiologists warned that the new variant could spread very quickly.流行病学家警告,这个新变种可能会迅速传播。用这个字练口说→