n in an uncertain state在……上空盘旋，笼罩。例如： The helicopter hovered over the crowd for a few seconds before inching away．直升机在人群的头顶上盘旋了几秒钟后慢慢飞走了。 14．to huddle up（against to sb．／sth．）：to curl one’s body into a small space；snuggle把身子蜷成一团；蜷缩。例如： Tom was cold so he huddled up against the radiator．汤姆感到冷，所以他挨着散热器把身子缩成一团。 15．to hurl oneself at：to throw violently at sth．用力投掷；猛投；向……扑过去，用身子猛撞。例如： They hurled themselves at the enemy．他们向敌人猛攻。 The dogs hurled themselves at the bear．狗向熊猛扑过去。
