The survival of civilization as we know it is ___ threat.A.within B.towards C.under D.upon 请问这句怎么理解?

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The survival of the fittest SURVIVAL OF THE SICKEST怎么样 翻译 survival of the unfittest struggle for survival natural selection ,survival of the fittest是什么意思? The jungle,survival of the fittest, the survival of the fittest for dinner 请知识认识翻译 The survival of the fittest how does Darwin argue for the survival of the fittest? Natural selection, survival of the fittest 怎么读 THE JEWISH PEOPLE A STORY OF SURVIVAL怎么样 The only chance of survival was cutting his wounded leg. 求mobb deep的survival of the fittest的歌词 As far as United Nations World Tourism Organization is concerned that the tourism activities linked with commerical activities at early stage.Businessman initated the travel access mainly.Shangqiu City in Henan province in China is the origin of civi the principle of survival of the fiffest is one of the major findings ..fit的最高级加the是什么用法 英语翻译Any improvement in reaching only the target insect will improve the survival of natural enemies. working for the survival of the living world 怎么翻译为好 问下谁知道着段英语是什么意思呀谢谢了The survival of the fittest pehaps the most ironic aspect of the struggle for survival is how easily org