- and a primeval sound heralds the onset of autumn.
一声富有攻击力的原始声音在宣布秋天的到来 - Male red deer are starting their rut.
雄性马鹿正在按惯例行事 - The air is heavy with the scent of females.
空气中弥漫着雌马鹿的气味 - The rules are simple.
规则很简单 - Winner takes all.
胜利者取得一切 - Across the northern hemisphere
环绕整个北半球 - the deciduous forests are changing.
可以看到落叶林在不断变化