找词语>英语词典>molecule翻译和用法

molecule

英 [ˈmɒlɪkjuːl]

美 [ˈmɑːlɪkjuːl]

n.  分子

复数:molecules 

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Collins.3 / BNC.3266 / COCA.4785

牛津词典

    noun

    • 分子
      the smallest unit, consisting of a group of atoms, into which a substance can be divided without a change in its chemical nature
      1. A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
        水分子由两个氢原子和一个氧原子构成。

    柯林斯词典

    • N-COUNT 分子
      Amoleculeis the smallest amount of a chemical substance which can exist by itself.
      1. ...the hydrogen bonds between water molecules.
        水分子间的氢键

    英英释义

    noun

    • (nontechnical usage) a tiny piece of anything
        Synonym:atomparticlecorpusclemotespeck
      1. (physics and chemistry) the simplest structural unit of an element or compound

        双语例句

        • The simplest covalently bonded molecule is formed from two hydrogen atoms.
          最简单的共价键分子由两个氢原子组成。
        • I started by saying, literally: This is an atom; this is a molecule.
          我的第一堂课是这样开始的:这是一个原子;这是一个分子。
        • The mechanisms for surfactant and alkali to affect polymer molecule structures are analyzed by laboratory experiments and theory inference.
          通过室内实验和理论分析,就碱和表面活性剂对聚合物分子形态的影响及其作用机理进行了分析。
        • A molecule of an element consists of one or two atoms.
          一个元素的分子包含一个或两个原子。
        • The kind and number of atoms in a molecule determine a molecular mass.
          分子中原子的种类和数量决定分子质量。
        • A molecule of ammonia is made up of one atom of nitrogen and three atoms of hydrogen.
          氨分子包含一个氮原子和三个氢原子。
        • A molecule cannot have a three-fold axis and a four-fold axis in the same direction.
          一个分子不能在同一方向上有一个三重轴和一个四重轴。
        • The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
          这个分子包含四个呈环状排列的碳原子,每两个碳原子之间形成一个三价键。
        • And, you get a nonpolar molecule.
          你得到了一个非极性分子。
        • A methane molecule is composed of one carbon atom attached to four hydrogens.
          甲烷分子由1个碳原子与4个氢原子构成。