纪录片《非洲》 第7期:喀拉哈里沙漠（7）

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Out on the open plains,

在开阔的平原上

life must await the chance arrival of rain.

生灵们必须等待着雨水的偶尔降临

When it does fall, it has an extraordinary effect.

当雨真的降临时 会带来巨大的影响

Each sporadic¹ downpour may only last minutes,

偶至的倾盆大雨也许只会持续数分钟

but it can bring life, and in spectacular numbers.

但雨水能吸引生灵们的到来 不计其数

Red-billed quelea.

红嘴奎利亚雀

They're the most numerous bird in the world.

他们是世界上数量最多的鸟类

In all, more than a billion live here in the Kalahari.

其中 有超过十亿只生活在喀拉哈里沙漠

No-one knows quite how,

虽然无人知其原因

but they seem to have an extraordinary ability

但他们似乎有着超凡

to locate the fall of rain,

寻找降雨的能力

and then instantly exploit the bonanza² that follows.

然后立即将雨水带来的繁盛枝叶扫荡一空

1 sporadic   

adj.偶尔发生的 [反]regular；分散的

参考例句：

• The sound of sporadic shooting could still be heard.仍能听见零星的枪声。
• You know this better than I.I received only sporadic news about it.你们比我更清楚，而我听到的只是零星消息。

2 bonanza   

n.富矿带，幸运，带来好运的事

参考例句：

• Bargain hunters enjoyed a real bonanza today.到处买便宜货的人今天真是交了好运。
• What a bonanza for the winning ticket holders!对于手持胜券的人来说，这是多好的运气啊。