• Inpractice, this standard can be difficult to apply to organisms isolatedby distance or terrain or to plants (and, of course, fossils do notbreed).

    在现实世界中,标准可能难以应用相距遥远种群,由地理环境分隔的种群,或是植物种群(化石显然也无法繁殖)。

    youdao

  • As Vincent wrote in his essay: "Engineering is like a good song anddance. It requires a lot of coordination--and a lot of failure inpractice before the final presentation.

    就像Vincent随笔中写道的:“工程技术工作就象去表演很棒歌曲和舞蹈,需要不少协调工作,在最终表演还要经历不停的训练失败

    youdao

  • As Vincent wrote in his essay: "Engineering is like a good song anddance. It requires a lot of coordination--and a lot of failure inpractice before the final presentation.

    就像Vincent随笔中写道的:“工程技术工作就象去表演很棒歌曲和舞蹈,需要不少协调工作,在最终表演还要经历不停的训练失败

    youdao

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