古典吧>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

        • A hydrate is formed when one or more water molecules combine with a drug molecule in crystal form.
          当一个或多个水分子和一个晶体形药物分子相结合时,就构成一种水合物。
        • 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 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。
        • In my biology class, we are studying the DNA molecule.
          在我的生物课上,我们在学习DNA分子。
        • If one hydroxyl steals other's hydrogen atom, it will turn into water molecule.
          如果其中一个羟基抢断对方的氢原子,它会变成水分子。
        • A chemical bond that involves sharing a pair of electrons between atoms in a molecule.
          一个分子内原子间共用一对电子的化学键。
        • 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。
        • And, you get a nonpolar molecule.
          你得到了一个非极性分子。
        • The reverse process, you have something that's vibrationally excited colliding with a molecule.
          逆向的过程,你有某个分子振动激发,和一个分子相撞。
        • 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。