| 单词 | 物竞天择 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔baalamb〕His strategy sounds like a baalamb relying on natural selection to finish off the saber-toothed tiger.他的策略听来像是羊等待剑齿虎因物竞天择的法则而灭绝。（比喻不可能成功的事）文馨英汉〔formulate〕Darwin formulated the theory of natural selection.达尔文创立了物竞天择的理论。朗文当代〔propound〕The theory of natural selection was first propounded by Charles Darwin.物竞天择的理论最初是由查尔斯‧达尔文提出的。朗文当代 |
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