音标: 英 [pə'tʌsɪs] 美 [pɚˈtʌsɪs]
1. Tonight, we are here to stamp out pertussis.
今晚 我们聚集于此来对抗百日咳
2. Uh, it could be caused by croup, but more likely pertussis, whooping cough.
可能是由哮吼造成的 不过更像是百日咳
