151 篇文章
But each year over 50,000 demoiselle cranes set out on one of the most challenging migrations on Earth.
19 0 1

But each year over 50,000 demoiselle cranes set out on one of the most challenging migrations on Earth. 可是 5万多只蓑羽鹤每年都会 进行一场地球上最具挑战性的迁徙

It'll be a year before it has the strength and skill to kill for itself on these difficult slopes.
19 0 2

It'll be a year before it has the strength and skill to kill for itself on these difficult slopes. 它至少需要一年时间才能有足够的技巧和力量 在这些艰险的峭壁上独自狩猎

She greets her one year old cub.
19 0 3

She greets her one year old cub. 它在向自己一岁大的幼崽问好

At this time of the year bears should be fattening up for the winter.
19 0 2

At this time of the year bears should be fattening up for the winter. 在每年的这个时候 熊必须为越冬储备脂肪

It will be another year before the cubs can hunt for themselves.
19 0 1

It will be another year before the cubs can hunt for themselves. 小狮至少还需要一年时间 才能学会独自狩猎

and they're growing bigger every year.
19 0 0

and they're growing bigger every year. 而且面积每年都在增大

and their strength is more or less constant all year round.
19 0 1

and their strength is more or less constant all year round. 全年始终或多或少地 受到这种影响力的控制

The cub is a year old and still dependent on its mother.
19 0 0

The cub is a year old and still dependent on its mother. 小豹已有一岁大了 仍旧依靠着它的母亲

Some herds travel over 2,000 miles a year in search of fresh pastures.
19 0 0

Some herds travel over 2,000 miles a year in search of fresh pastures. 有的鹿群一年得走上2000多英里 才能到达新鲜草场

Every year three million caribou migrate across the Arctic tundra.
19 0 0

Every year three million caribou migrate across the Arctic tundra. 每年 300万迁徙的北美驯鹿 都将穿越北极苔原