常见例句Health officials around the world are preparing for sergin a surge in the noumber number of H1N1 flucasesflu cases, also known as wier fluesswine flu. 世界各地卫生机构的官员正在准备着手应付俗称为猪流感的H1N1流感大爆发。Sergin 谢尔金 返回 sergine