150 篇文章
Nonetheless, this female must incubate her eggs for three weeks
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Nonetheless, this female must incubate her eggs for three weeks 然而 雌雪雁必须花三周的时间孵蛋

and has taken them three months.
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and has taken them three months. 耗时多达三个多月

less than three per cent of Antarctica is free of ice,
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less than three per cent of Antarctica is free of ice, 南极洲也只有不到3%的地方没有被冰封

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

The East African Rift Valley holds three of the world's largest:
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The East African Rift Valley holds three of the world's largest: 东非大裂谷内有着3个世界上最大的淡水湖

Lake Malawi, the smallest of the three,
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Lake Malawi, the smallest of the three, 马拉维湖是这3个湖泊中最小的

Its eyes do not fully open until three months after birth,
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Its eyes do not fully open until three months after birth, 直到出生后的第3个月 它的眼睛才能完全睁开

She won't leave this cave for three weeks,
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She won't leave this cave for three weeks, 未来3周内 它都不会离开这个山洞

Three dogs close in on one impala.
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Three dogs close in on one impala. 3只野狗紧追一只黑班羚

Every year three million caribou migrate across the Arctic tundra.
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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