英语释义

• a natural process resulting in the evolution of organisms best adapted to the environment

片语

secondary natural selection次生自然选择

theory of natural selection自然选择学说

directional natural selection定向自然选择

Natural Selection Annex物竞天择附属区

eco-natural line selection and design自然生态化选线及设计

Natural Selection and Evolution自然选择与进化

The Natural Selection Theory自然选择论

natural seed selection自然选种

natural l selection自然选择

英汉例句

• the grand mediocrity of today — everyone being the same in survival and number of offspring — means that natural selection has lost 80% of its power in upper middle class india compared to the tribes.

  今天这种极其显着的平均化——每个人的生存机会和子女数量都相同——意味着，与部落相比较，自然选择在印度中上阶层已经失去了80％的效力。

• natural selection is like a robot that can only climb uphill, even if this leaves it stuck on top of a measly hillock.

  自然选择就如同一个只能上山的机器人，即使这会使它停留在一座微不足道的小山的山顶。

• of the many thousands of languages that have been implemented just a few have survived through a process of natural selection because they are particularly fit for purpose.

  在数以千计的已经被实现的语言中，只有少量语言在自然选择过程中幸存下来，原因是它们特别适合于某个用途。

• of course he did go on to explain how natural selection could account for the eye, but we can see why he wrote these words under the heading of “organs of extreme perfection and complication.

  当然他确实也用自然选择理论解释过眼睛形成，但我们仍然可以看出为什么他会在《极端完美的器官及其带来的难题》的标题下写着以上的文字。

• that has provoked a debate about whether the phenomenon is an aberration, or whether natural selection favours it, at least when it is rare in a population.

  这激起了一场争论，到底这种现象是误差，或是自然选择偏爱的结果（至少当它在群体中只占有稀少比例时）。

• so much natural selection has occurred in the recent past that geneticists have started to look for new ways in which evolution could occur very rapidly.

  在不远的过去事实上发生了很多自然选择，以至于有些遗传学家甚至开始运用新的手段促使进化尽快发生。

• so it really does matter whether natural selection is true.

  因此自然选择究竟是否正确，真的非常重要。

• through history, as natural selection played its part in the development of modern man, many of the useful functions and parts of the human body become unnecessary.

  随着人类的发展，自然选择在人类进化中扮演着重要的角色，很多曾经有用的人体功能或者器官变成了多余的。

• natural selection is what we normally think of as darwin’s big idea.

  我们通常认为自然选择（理论）是达尔文的伟大思想发现。

• some people really do seem to think that natural selection is a universal acid, and that nothing can resist its powers of dissolution.

  看起来确实有人认为自然选择是一种无所不能的酸液，而且没有任何东西能抵抗其侵蚀的威力。

• in this sense, the ability to forget can be intffpreted to have survived through a process of natural selection in animals.

  从这种意义上讲，遗忘的能力可以被解释为是在动物界通过自然选择幸存下来的结果。

• in 「the origin of species, 」 darwin speculated on how natural selection could turn a land mammal into a whale.

  在《物种起源》中，达尔文猜测了自然选择使陆地哺乳动物进化成鲸鱼的可能过程。