37 篇文章
and contains several billion individuals.
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and contains several billion individuals. 共有数十亿只蝗虫

but soon, more than a billion swarm all over the forest.
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but soon, more than a billion swarm all over the forest. 马上,10亿只若虫爬满了整个森林

0ne and a half billion swarm across the savannahs of Africa.
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0ne and a half billion swarm across the savannahs of Africa. 以15亿的数量聚集在非洲的稀树大草原上

the steady roar of a billion beating locust wings will once again be replaced by nothing more than the sound of the desert wind.
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the steady roar of a billion beating locust wings will once again be replaced by nothing more than the sound of the desert wind. 无数蝗虫拍打翅膀时的喧哗将不复存在 再次取代它的只是沙漠中呼啸的风声

The Amazon transports a billion tonnes of sediment a year,
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The Amazon transports a billion tonnes of sediment a year, 亚马逊河每年会带来10亿吨的泥沙

there were one and a half billion people on Earth.
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there were one and a half billion people on Earth. 地球上生活着15亿人

Now, over six billion crowd our fragile planet.
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Now, over six billion crowd our fragile planet. 如今 已有超过60亿人拥挤在 我们这颗脆弱的星球上