122 篇文章
The East African savannahs alone sustain nearly two million wildebeest.
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The East African savannahs alone sustain nearly two million wildebeest. 仅生活在东非稀树大草原的角马 就接近两百万(注:角马属羚羊的一种)

Two million are thought to live here, but no one really knows.
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Two million are thought to live here, but no one really knows. 共约两百万只瞪羚生活在此处 但具体数量仍不得知

three million bats leave the safety of the cave
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three million bats leave the safety of the cave 300万只蝙蝠一起离开安全的洞穴

A staggering 3 million wrinkle-lipped bats live here.
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A staggering 3 million wrinkle-lipped bats live here. 这里住着数量惊人的300万只犬吻蝠

Every year almost 2 thousand million tonnes of sediment
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Every year almost 2 thousand million tonnes of sediment 每年大约有20亿吨泥沙在此沉淀

In flood 30 million litres of water spill over every second.
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In flood 30 million litres of water spill over every second. 瀑布每秒的水流量达到3000万立方米

Each year nearly two million animals migrate across the Serengeti plains
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Each year nearly two million animals migrate across the Serengeti plains 每年都会有将近200万只角马 横越塞伦盖蒂平原

For the past 5 million years
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For the past 5 million years 在过去的500万年中

Some 50 million years ago
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Some 50 million years ago 大约5千万年前

The Alps were raised some 15 million years ago
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The Alps were raised some 15 million years ago 阿尔卑斯山崛起于1500万年前