and take their first steps in the outside world. 第一次踏足这个陌生的户外世界
Moving at 250 miles an hour, an avalanche destroys everything in its path. 雪崩时速可达250英里/小时 足以摧毁路过的一切
To see a group walking boldly in the open is extremely rare. 这么一大家子在光天化日之下 外出实属罕见
She has just one brief summer in which to teach them their mountain survival techniques. 母狮只能利用这个短暂的夏天 教会小狮在山区生存的技能
they won't attempt an attack in broad daylight. 它们一般不会在大白天发动进攻
they're the only monkeys in the world that live almost entirely on grass. 它们是世界上唯一完全以草为生的猴子
They live in the largest assemblies formed by any monkeys. 它们生活的社群是所有猴类中最大的