- 双语例句 更多例句
Previous pandemics have been characterized by waves of activity spread over months.
以往大流行的特点是一波接一波的流行持续数月之久.
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They focus on type A, which tends to cause more severe disease and pandemics.
科学家们把重点集中在了A型流感上, 因为它往往会造成更严重的疾病和流行病.
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The other two flu pandemics of the 20 th century, however, were far milder.
20世纪的另外两次流感流行的病死率则温和得多.
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- help v.帮助,促进;搀扶;为…取用;n.帮助;有用;有益的人/物;救助;
- flashlight n.手电筒;
- violate v. 违反;侵犯,打搅;亵渎;
- pollute v.污染;弄脏;
- sauce n.调味汁;酱汁;〈非〉莽撞无礼;〈俚〉烈酒;
- every det.每个;每;所有可能的;充足的;
- predict v.预言;预测;
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- carpenter n.木工;木匠;
- warn v.提醒,警告;告诫(不要做…);
- dependence n.依靠;依赖(酒精或药物);依存(关系);
- pale adj.浅色的;苍白的;暗淡的;v.显得逊色;变得比平常白;变苍白

