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...the theory of evolution by natural selection.是什么意思？

...the theory of evolution by natural selection.

自然选择的进化论

相关词汇
the theory of evolution by natural selection

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

theory

n. 学说，理论，原理，推测；

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

evolution

n. 演变，进化，发展；

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

natural

adj. 自然的，物质的，天生的，不做作的；n. 自然的事情，（生来的）白痴，[乐]（风琴等的）白键；

selection

n. 选择，被选中者，可供选择的事物；
热门例句
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他当众承认自己可能犯了个错误。
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使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
Felix has never, ever confided in me.
费利克斯从来都未向我倾诉过。
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通货膨胀的危险在证券价格上已经表现得很明显。
Peace could come only gradually, in carefully measured steps. Even then, it sounds almost impossible to achieve...
和平只会逐渐到来，而且每一步都走得小心翼翼。即使那样，要实现和平听起来仍几乎不可能。
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The fire is threatening about sixty homes, and residents have evacuated the area...
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他在其他方面同样明智，这一点可以从他不打网球改打高尔夫的理由中得到证明。
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The new president has so far evinced no such sense of direction.
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The forensic scientists who carried out the original tests will be called to give evidence...
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她拥有一切：美貌、才干和子女。
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动植物的进化
Neither of us had ever skied...
我们两个都从未滑过雪。