Countless species have disappeared due to over-hunting, habitat destruction and habitat fragmentation, pollution and other unnatural human causes.

由于过度捕猎、栖息地破坏和破碎化、污染和其他非自然的人为原因，无数物种已经消失。

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We saw how important habitat selection is when we look at habitats where some of these factors are removed, perhaps through habitat destruction.

这些因素可能通过栖息地的破坏而消失，而当我们观察那些没有了这些因素的栖息地，可以看到栖息地选择的重要性。

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Bird habitat projects focus on restoring local habitat to bring back birds that have disappeared from an area.

鸟类栖息地的项目侧重于恢复当地的栖息地，使消失的鸟类重回一个地区。

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But the report lists one hundred eight-four species that are considered in danger because of limited habitat, serious threats or falling populations.

VOA: special.2009.05.12

Notice the importance -and we'll come back to it-- of the word "dominant": "the dominant" in the thinking of the Russian formalists and the struggle for dominance among species in a habitat.

注意这个词的重要性,我们还会讲到，支配，这个词：,俄国形式主义者所说的支配,和物种间争夺栖息地的支配。

耶鲁公开课 - 文学理论导论课程节选

so you pay and they'll donate money to poverty or Habitat for Humanity or some organizations like that.

你交钱而他们会把钱捐给穷人或者仁人家园或者其他类似的慈善机构。

派对很好玩 - SpeakingMax英语口语达人

AmeriCorps members serving with Habitat for Humanity New Orleans and Habitat for Humanity Baton Rouge participated.

WHITEHOUSE: San Francisco and Baltimore Mayors Put Service on the Line for Super Sunday | The White House

Deforestation and habitat loss in Virunga because of illegal charcoal production continue to threaten key gorilla habitat.

UNESCO: MEDIA SERVICES

It is very typical of a type of habitat called fen meadow - it's that sort of habitat that we want to restore.

BBC: Wetland habitat set to grow