natural selection
英 [ˌnætʃrəl sɪˈlekʃn]
美 [ˌnætʃrəl sɪˈlekʃn]
n. 自然选择; 物竞天择
牛津词典
noun
- 自然选择；物竞天择
the process by which plants, animals, etc. that can adapt to their environment survive and reproduce, while the others disappear
柯林斯词典
- N-UNCOUNT (生物的)自然选择，物竞天择，适者生存
Natural selectionis a process by which species of animals and plants that are best adapted to their environment survive and reproduce, while those that are less well adapted die out.- Natural selection ensures only the fittest survive to pass their genes on to the next generation.
自然选择确保只有最适应环境的物种得以存活下来，把基因传给下一代。
- Natural selection ensures only the fittest survive to pass their genes on to the next generation.
英英释义
noun
- a natural process resulting in the evolution of organisms best adapted to the environment
双语例句
- Natural selection has tended to reduce this randomization.
自然选择往往倾向于减少这种随机化现象。 - He concluded that these expressions evolved through natural selection.
他得出结论，这此表达方式经自然选择演变而来。 - But the context of natural selection defines the narrow limits of the argument that Friedman and savage developed.
但自然选择这个大背景，限定了弗里德曼和萨维奇所提论点的狭小适用范围。 - Biology is driven by random mutations and natural selection.
生物进程基于随机突变和自然选择。 - Natural selection hardly works among the rich and the poor.
自然选择在穷人和富人之间几乎不起作用。 - His theory of natural selection is based on the principle of the survival of the fittest.
他的自然选择理论就是基于适者生存的原则。 - ANTIBIOTIC drugs are a well-known test of the idea of natural selection.
抗生素是对自然选择学说一个十分知名的论证。 - Mutation and speciation have usually been evolved responses to the environment and competition, with natural selection determining which new traits become widely disseminated.
通常，突变和物种形成的进化，取决于环境和竞争来，哪些新特性普遍传播则取决于自然选择。 - I am convinced that natural selection has been the main but not the exclusive means of modification.
我确信自然选择是主要的但不是唯一的手段。 - The development of species was the result of natural selection.
物种的进化是自然选择的结果。