If evolution is survival of the fittest, why should a young raven share a winter's worth of food with its unrelated rivals?
如果进化论是适者生存,为什么一只小乌鸦会把它自己冬天里珍贵的食物同其它不相关的乌鸦分享呢?
n. 发源地,来源,原始资料
您现在的位置: 首页 > 英语口语 > 实战英语口语 > 日积月累学口语 > 正文
If evolution is survival of the fittest, why should a young raven share a winter's worth of food with its unrelated rivals?
如果进化论是适者生存,为什么一只小乌鸦会把它自己冬天里珍贵的食物同其它不相关的乌鸦分享呢?
重点单词 | 查看全部解释 | |||
source | [sɔ:s] | |||
sustained | [səs'teind] | |||
evolution | [.i:və'lu:ʃən] | 联想记忆 | ||
distinguished | [di'stiŋgwiʃt] | 联想记忆 | ||
extinction | [iks'tiŋkʃən] | 联想记忆 | ||
commitment | [kə'mitmənt] | 联想记忆 | ||
valuable | ['væljuəbl] | 联想记忆 | ||
oath | [əuθ] | |||
solemn | ['sɔləm] | |||
earthly | ['ə:θli] |