纪录片《我们的地球》 第98期 奇幻沙漠(15)

As the day warms up, the lizards² move away from their cracks

随着白天气温的升高，蜥蜴离开它们藏身的岩缝

and head down to the bottom of the gorge³.

奔向峡谷底部

Their goal is the river.

它们的目标是这条小河

There is no food at the edge, but this desert river holds a secret.

河边没有一点食物，但是这条沙漠河流却藏着一个秘密。

Each day, black fly rise from turbulent stretches of the river.

每天，成千上万的蚋从奔腾的河水中羽化

This is what the lizards have come for.

这就是蜥蜴到此的目的

The black fly never land, so the lizards have to leap for their food.

蚋不会降落，所以蜥蜴必须跳起来捕食。

In one day, each of these acrobatic little lizards may catch 50 flies.

每只身怀绝技的小蜥蜴一天能吃掉50多只小虫

There are plenty of flies to go around, even with hundreds of lizards competing for them.

尽管已有几百只蜥蜴在此捕猎，这里仍聚集着无数飞虫

Away from these rapids, flat lizard¹ populations are found in much smaller numbers.

在远离这些急流的地方，扁石蜥的数量则要少得多

But here, one unusual abundance has produced another.

但在这里，一种特别的资源带动了另一物种的兴起。

1 lizard   

n.蜥蜴，壁虎

参考例句：

• A chameleon is a kind of lizard.变色龙是一种蜥蜴。
• The lizard darted out its tongue at the insect.蜥蜴伸出舌头去吃小昆虫。

2 lizards   

n.蜥蜴( lizard的名词复数 )

参考例句：

• Nothing lives in Pompeii except crickets and beetles and lizards. 在庞培城里除了蟋蟀、甲壳虫和蜥蜴外，没有别的生物。 来自辞典例句
• Can lizards reproduce their tails? 蜥蜴的尾巴断了以后能再生吗？ 来自辞典例句

3 gorge   

n.咽喉，胃，暴食，山峡；v.塞饱，狼吞虎咽地吃

参考例句：

• East of the gorge leveled out.峡谷东面地势变得平坦起来。
• It made my gorge rise to hear the news.这消息令我作呕。