a swarm of短语²⁰⁸²⁶ 基本例句 adj.一大群 A swarm of bees attacked a group of half-marathon runners in southwestern Japan as they ran near a river bank on April6, forcing30 people to be rushed to hospital, rescuers said. 日本西南部城市佐贺6日举行了一场半程马拉松比赛，不曾想到，选手途经河边时突然遭遇蜂群袭击，致使30人受伤入院。 www.chinadaily.com.cn