现在，迁徙是一种自然的生存策略。
低盐度和高温有利于海星幼虫的生存。
Low salinity and high temperatures favor the survival of the starfish larvae.
躲藏是最佳的生存方式之一。
这种倾向性对我们的生存来讲至关重要。
在极端贫困中，家庭无法满足基本的生存需要。
In extreme poverty, the households cannot meet basic needs for survival.
全球变暖对北极熊等动物的生存造成了严重威胁。
Global warming has posed a serious threat to the survival of animals such as polar bears.
沟通对我们作为个体的生存和婚姻制度是否如此重要？
Is communication so important to our survival and marriage system as individuals?
我们必须为了自己，他人及我们的生存去培养怜悯之心。
We must cultivate compassion for ourselves, for others and for our survival.
动物在寒冷的冬天有三种主要的生存方式：休眠、适应或迁徙。
There are three main ways that animals survive the cold in winter: sleep, adapt or migrate.
如果这些国家能够成功地执行这项立法，野生老虎的生存将得到保证。
If these countries can successfully enforce this legislation, the survival of tigers in the wild will be ensured.
攻击性是一种天生的生存机制，一种自我保护的本能，使动物能够保护自己不受生存威胁。
Aggression is a kind of innate survival mechanism, an instinct for self preservation, that allows animals to defend themselves from threats to their existence.
另一件事是，如果幼崽和家族其他成员分开，一旦其他成员离得足够远，幼崽的生存本能就开始发挥作用。
Another thing would be, if a hatchling gets separated from the rest of its family, once the others get far enough away, its survival instinct kicks in.
我们的生存与雨林的生存息息相关。
Our survival is inextricably linked to the survival of the rainforest.
昨天的会议旨在制订该党的生存策略。
Yesterday's meeting was intended to plot a survival strategy for the party.
蛋白物的生存取决于骨骼形成化石的方式。
The survival of the proteins depends on the way in which bones are fossilized.
公众对事故的担心正威胁着核电工业的生存。
Public worries about accidents are threatening the very existence of the nuclear power industry.
森林污染严重影响了植物的生存，其次也对野生动物造成了影响。
The pollution of the forest has seriously affected plant life and, to a lesser extent , wildlife.
颜色对它们的生存很重要。
下列哪项对热带雨林的生存贡献最大？
Which of the following contributes most to the survival of rainforests?
时间与环境相关联对他们的生存至关重要。
Temporal connection to the environment was vital to their survival.
在博尔德户外生存学校的生存营中，学生们不只是练习野营、徒步旅行或骑马。
In survival camps at BOSS students don't just practise camping, hiking or riding horses.
雨林有自己完善的系统来确保自身的生存；高大的树木有枝叶形成的树冠层来保护自身，树冠也保护着矮小的植物以及动物不受暴雨、酷暑及强风的侵扰。
Rainforests have their own perfect system for ensuring their own survival; the tall trees make a canopy of branches and leaves which protect themselves, smaller plants, and the forest animals from heavy rain, intense dry heat from the sun and strong winds.
化学物质的蒸发对它们的生存是必不可少的。
The evaporation of chemicals is necessary for their survival.
咖啡种植方式的改变危及到了某些动物的生存。
The change of how coffee is grown endangers the existence of certain animals.
一些居民担心这种大米会威胁到某些稀有候鸟的生存。
Some residents voiced concern that the rice could threaten certain species of rare migratory birds.
猎物数量的减少对它们以后的生存来说应该是个不祥之兆。
Reduction in numbers of games should have boded ill for their survival in later times.
其中的一些小型哺乳动物有助于维持金鹰等大型鸟类的生存。
Some of those small mammals help to sustain such big birds as golden eagles.
一个物种最重要的生存因素是它的竞争能力和适应环境逐渐变化的能力。
The most important factor for the survival of a species is its ability to compete and adapt to gradual changes in its environment.
海里已经没有足够的鱼来维持鱼类自身的生存，更不用说维持一项产业了。
There were no longer enough fish in the sea for the stock to maintain itself, let alone an industry.
因此，休眠期包含了一系列的适应过程，使物种能够避开最困难的生存情形。
Resting stages thus comprise a series of adaptations that allow the species to avoid the most difficult conditions for life.
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