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
coveter查看　coveter　在百度字典中的解释百度英翻中〔查看〕
coveter查看　coveter　在Google字典中的解释Google英翻中〔查看〕
coveter查看　coveter　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:


  • Chemistry | Definition, Topics, Types, History, Facts | Britannica
    Chemistry is the study of substances—that is, elements and compounds —while biology is the study of living things However, these two branches of science meet in the discipline of biochemistry, which studies the substances in living things and how they change within an organism
  • Chemistry - Applications, Benefits, Impacts | Britannica
    Chemistry - Applications, Benefits, Impacts: For the first two-thirds of the 20th century, chemistry was seen by many as the science of the future The potential of chemical products for enriching society appeared to be unlimited Increasingly, however, and especially in the public mind, the negative aspects of chemistry have come to the fore Disposal of chemical by-products at waste-disposal
  • chemistry - Kids | Britannica Kids | Homework Help
    Chemistry is one of the major branches of science People who work in chemistry are called chemists Chemists study the substances that make up matter—everything that takes…
  • chemistry - Students | Britannica Kids | Homework Help
    The science of chemistry is the study of matter and the chemical changes that matter undergoes Research in chemistry not only answers basic questions about nature but also…
  • Spectroscopy - Analysis, Astronomy, Chemistry | Britannica
    Spectroscopy - Analysis, Astronomy, Chemistry: Spectroscopy is used as a tool for studying the structures of atoms and molecules The large number of wavelengths emitted by these systems makes it possible to investigate their structures in detail, including the electron configurations of ground and various excited states Spectroscopy also provides a precise analytical method for finding the
  • Biochemistry | Definition, History, Examples, Importance, Facts . . .
    Biochemistry is the study of the chemical substances and processes that occur in plants, animals, and microorganisms and of the changes they undergo during development and life
  • Organic chemistry | Description, Areas of Specialization, Natural . . .
    Organic chemistry, field of science concerned with the composition, properties, and structure of chemical elements and compounds that contain carbon atoms Carbon is unique in the variety and extent of structures that can result from the three-dimensional connections of its atoms Organic chemistry
  • Chemistry - Analysis, Reactions, Compounds | Britannica
    Chemistry - Analysis, Reactions, Compounds: Most of the materials that occur on Earth, such as wood, coal, minerals, or air, are mixtures of many different and distinct chemical substances Each pure chemical substance (e g , oxygen, iron, or water) has a characteristic set of properties that gives it its chemical identity Iron, for example, is a common silver-white metal that melts at 1,535
  • Mole | Definition, Number, Facts | Britannica
    Mole, standard unit (6 02214076 x 10^23) in chemistry for measuring large quantities of very small entities such as atoms, molecules, or other specified particles The number of units in a mole also bears the name Avogadro’s number, or Avogadro’s constant, in honor of the Italian physicist Amedeo Avogadro
  • John Dalton - Atomic Theory, Chemistry, Physics | Britannica
    Chemistry is the study of substances—that is, elements and compounds —while biology is the study of living things However, these two branches of science meet in the discipline of biochemistry, which studies the substances in living things and how they change within an organism





中文字典-英文字典  2005-2009