英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
aqueintance查看　aqueintance　在百度字典中的解释百度英翻中〔查看〕
aqueintance查看　aqueintance　在Google字典中的解释Google英翻中〔查看〕
aqueintance查看　aqueintance　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Taxonomic rank - Wikipedia
    The major ranks: domain, kingdom, phylum, class, order, family, genus, and species, applied to the red fox, Vulpes vulpes In biology, taxonomic rank (which some authors prefer to call nomenclatural rank [1] because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of organisms (a taxon) in a
  • chapter 56 Flashcards - Quizlet
    Study with Quizlet and memorize flashcards containing terms like According to the U S Endangered Species Act (ESA), the difference between an endangered species and a threatened one is that endangered species are mainly tropical an endangered species is closer to extinction threatened species are endangered species outside the U S borders a threatened species is closer to extinction only
  • 15. 6: Vertebrates - Biology LibreTexts
    Mammals are endothermic, like birds There are three groups of mammals living today: monotremes, marsupials, and eutherians Monotremes are unique among mammals as they lay eggs, rather than giving birth to live young Eutherian mammals have a complex placenta There are 16 extant (living) orders of eutherian mammals
  • List of cervids - Wikipedia
    The family Cervidae consists of 55 extant species belonging to 19 genera in 2 subfamilies and divided into dozens of extant subspecies This does not include hybrid species or extinct prehistoric species Additionally, one species, Schomburgk's deer, went extinct in 1938 [2] The classification is based on the molecular phylogeny [3] [4] [5]
  • Why are There Fewer Marsupials than Placentals? On the . . .
    Placental mammals occupy a larger morphospace and are taxonomically more diverse than marsupials by an order of magnitude, as shown by quantitative and phylogenetic studies of several character complexes and clades Many have suggested that life history acts as a constraint on the evolution of marsupial morphology However, the frequent circumvention of constraints suggests that the pattern of
  • Invertebrate - Wikipedia
    The IUCN estimates that 66,178 extant vertebrate species have been described, [11] which means that over 95% of the described animal species in the world are invertebrates Characteristics The trait that is common to all invertebrates is the absence of a vertebral column (backbone): this creates a distinction between invertebrates and vertebrates
  • Topic 2: Phylogeny and Diversification of Mammals (CH. 4)
    Study with Quizlet and memorize flashcards containing terms like 1- Protheria (first beast) 2- Theria (all other mammals), 1- Metatheria (changing beasts marsupials) 2- Eutheria (true beasts placentas), Marsupionta and more





中文字典-英文字典  2005-2009