Some animals grow thicker fur, or live in tree holes or underground to stay warm.

有些动物会长出浓密的毛发，或者居住在树洞或地下来保暖。

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Evidence from other studies suggests that exclusion of fire results in markedly decreased plant-species richness, often with an increase in tree density.

来自其他研究的证据表明，没有火灾会导致植物物种丰富性显著减少，通常还会伴随着树木密度的增加。

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Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake.

长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。

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Kenyan national Wangari Maathai won the 2004 Nobel Peace Prize for her work in the Green Belt Movement, an organization that engages in tree-planting activities and environment conservation.

VOA: standard.2010.02.24

A Christmas tree, in other words, is a sign that can only be understood intelligibly in terms of a certain cultural understanding.

也就是说，它仅仅用于，也仅仅在一定的文化背景中,才能有意义，被理解。

耶鲁公开课 - 文学理论导论课程节选

What's the complexity of this decision tree solution? Well, in the worst case, we're enumerating every possibility of in and out.

决策树解决方法的复杂度是多少？,在最糟的例子中得列举，所有可能的输入和输出。

麻省理工公开课 - 计算机科学及编程导论课程节选

Late last year they reviewed the evidence in an article in Tree Physiology.

ECONOMIST: The science of autumn

But the influence of cosmic rays could resolve other as yet unexplained cycles in tree growth found in studies in North America.

BBC: Earth News - Cosmic pattern to UK tree growth

Fusa Miyake discovered Carbon-14 and Beryllium-10 traces in tree rings from the era, which point to a gamma ray burst from a celestial body other than the Sun.

ENGADGET: Alt-week 1.26.13: quadruple DNA helixes, Byzantine mutants and battling hospital bugs