atom

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英 [ˈætəm]
美 [ˈætəm]
是什么意思
  • n.

    原子;原子能;微粒,微量;

  • 变形

    复数:atoms

    双语释义

    n.(名词)
    1. [C]原子 smallest part of an element that can exist chemically
    2. [S]原子能 this as a source of energy
    3. [C]微粒,微量 very small quantity or thing

    英英释义

    atom[ 'ætəm ]

    • n.
      • (physics and chemistry) the smallest component of an element having the chemical properties of the element
      • (nontechnical usage) a tiny piece of anything

        同义词:moleculeparticlecorpusclemotespeck

    学习怎么用

    词汇搭配

    用作名词 (n.)
    动词+~
    • split the atom分裂原子
    形容词+~
    • complex atom(s)复杂原子
    • simple atom(s)简单原子
    • splitting atom(s)裂变原子
    介词+~
    • blow sth to atoms炸成碎片
    • break sth to atoms打得粉碎
    • smash sth to atoms打得粉碎
    ~+介词
    • an atom of一点点,丝毫(没有)

    词组短语

    hydrogen atom氢原子

    atom bomb原子弹

    bohr atom玻尔氏原子

    neutral atom中性原子

    同近义词辨析

    particle, atom, grain, speck, molecule

    这组词都有“粒,微粒”的意思,其区别是:

    particle指任何物质的微粒,引申指任何小的部分。

    atom指元素的最小粒子,其体积比molecule小。

    grain通常指能为肉眼清楚看到的颗粒,比上述几个词所表“粒”的体积大。

    speck一般指“微点”或“微粒”,可引申指“斑点、污点”。

    molecule指物质中保持原物质的一切化学性质,能独立存在的最小微粒,即分子。

    双语例句

    用作名词(n.)
    1. Scientists have unlocked the secret of the atom.
      科学家已经揭开了原子的秘密。
    2. A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
      水分子含有两个氢原子和一个氧原子。
    3. The atom bomb is the offspring of the 20th century physics.
      原子弹是20世纪物理学的产物。
    4. That cannot get up an atom of sympathy for them.
      那并不能激发起人们对他们的丝毫同情。
    5. There isn't an atom of truth in the rumour.
      谣言中没有丝毫的真实性。

    权威例句

    Atom Transfer Radical Polymerization
    An all atom force field for simulations of proteins and nucleic acids.
    All-atom empirical potential for molecular modeling and dynamics studies of proteins
    MolProbity: all-atom structure validation for macromolecular crystallography
    MolProbity: all-atom contacts and structure validation for proteins and nucleic acids
    Embedded-atom method: Derivation and application to impurities, surfaces, and other defects in metals
    Coherent X‐Ray Scattering for the Hydrogen Atom in the Hydrogen Molecule
    Development and Testing of the OPLS All-Atom Force Field on Conformational Energetics and Properties of Organic Liquids
    Controlled/“Living” Radical Polymerization. Atom Transfer Radical Polymerization of Acrylates at Ambient Temperature
    Controlled/“Living” Radical Polymerization. Atom Transfer Radical Polymerization Catalyzed by Copper(I) and Picolylamine Complexes
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