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
- 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。 - 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。 - Biology is driven by random mutations and natural selection.
生物进程基于随机突变和自然选择。 - 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。 - 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。 - It's Darwinian, the law of natural selection.
这是达尔文的自然选择规律。 - Whether speciation is achieved normally via genetic drift or natural selection is the subject of much ongoing discussion.
究竟正常的物种形成是通过遗传漂变还是通过自然选择达到的，是现在正在进行热烈讨论的话题。 - The development of species was the result of natural selection.
物种的进化是自然选择的结果。 - Genomic studies of natural variation in model organisms provide a bridge between molecular analyses of gene function and evolutionary investigations of adaptation and natural selection.
在模式生物中的自然变异的遗传学研究提供了一个在基因功能分子分析和对适应性及自然选择的进化研究的桥梁。 - "Natural Selection, entailing Divergence of Character and the Extinction of less-improved forms"( Charles Darwin).
“自然选择，特性的遗传变异和进化较慢的形式的退化”（查尔斯·达尔文）。