n. 1.选择；挑选；选拔。 2.拔萃；选择物；精选物[品]；文选。 3.【无线电】分离，(自动电话)拨号。 4.【生物学】选择，淘汰。 短语和例子 selections from great poets 名家诗选。 mass selection 混合选种。 artificial [reproductive, sexual] selection 人为[生殖，雌雄]淘汰。 natural selection 自然淘汰。
the act of choosing or selecting; "your choice of colors was unfortunate"; "you can take your pick" 同义词：choice, option, pick,
the person or thing chosen or selected; "he was my pick for mayor" 同义词：choice, pick,
a passage selected from a larger work; "he presented excerpts from William James'' philosophical writings" 同义词：excerpt, excerption, extract,
an assortment of things from which a choice can be made; "the store carried a large selection of shoes"
a natural process resulting in the evolution of organisms best adapted to the environment 同义词：survival, survival of the fittest, natural selection,
In the context of evolution, certain traits or alleles of genes segregating within a population may be subject to selection. Under selection, individuals with advantages or "adaptive" traits tend to be more successful than their peers reproductively?meaning they contribute more offspring to the succeeding generation than others do.
例句与用法
1.
Selection will root out such organism . 自然选择将把这些物种消灭掉。
2.
Some of these selections should not be counted . 有些选法不能计算在内。
3.
He sets a high value on the 《 peotry selection 》 他给《诗集》以高度评价。
4.
Why should it prevail against natural selection ? 它为什么要阻止自然选择呢？
5.
Filter selection is made using inherent spectra . 滤色镜的选择必须利用固有光谱。
6.
Actually, these selection rules are not ironclad . 实际上，这些选择规则并不是严格的。
7.
The band played selections . 乐队演奏一些选曲。
8.
The action of selection seems to be fully deterministic . 自然选择的作用似乎是十分确定的。
9.
These include character displacement, habitat selection . 这些包括特征置换、栖息地的选择。
10.
The development of species was the result of natural selection . 物种的进化是自然选择的结果。
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