17 篇文章
The whales have just returned to their breeding grounds in the shallow seas of the tropics.
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The whales have just returned to their breeding grounds in the shallow seas of the tropics. 座头鲸刚刚回到它的热带地区的浅海繁殖地

back at their traditional breeding grounds at last.
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back at their traditional breeding grounds at last. 返回了它们阔别已久的繁殖地

They head towards their breeding grounds, almost 100 miles inland.
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They head towards their breeding grounds, almost 100 miles inland. 它们要前往繁殖地,几乎在离海岸100英里的内陆

The birds have flown inland for over 300 miles to reach this breeding site.
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The birds have flown inland for over 300 miles to reach this breeding site. 它们往内陆飞行300英里才来到这里繁衍

Winter is the time for breeding.
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Winter is the time for breeding. 冬季是交配繁殖的时节

and in the breeding season there is stiff competition for mates.
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and in the breeding season there is stiff competition for mates. 在繁殖季节 会有一场激烈的求偶竞赛

Once the seals have finished breeding
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Once the seals have finished breeding 等到海豹结束繁殖