I doubt they've ever seen a human in a tree before. 我怀疑它们从没见过人类在树上
Today these destructive storms are some of the most powerful ever seen. 如今这些破坏性风暴是有史以来最强大的风暴之一
But sadly he may only ever dance alone. 然而遗憾的是 这只雄鸟也许永远只能独舞
This one measures 45m and is the longest animal ever recorded. 这一只达到了45米 是有记录以来所有动物中最长的
..and they are changing faster than ever before in human history. 而且正以人类历史上前所未有的速度变化
and they're doing so faster than ever before. 而且在以史无前例的速度变化着
hardly ever appears on the surface of the dunes. 鲜少出现在沙丘表面
He can give the chicks their first ever drink. 雏鸟可以喝上第一口水了