molecule

英 [ˈmɒlɪkjuːl]

美 [ˈmɑːlɪkjuːl]

n.  分子

复数：molecules　

CET4CET6考研TOEFLIELTSGRETEM4TEM8化学

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
• (physics and chemistry) the simplest structural unit of an element or compound

双语例句

• The small molecule causing the conformational change is an allosteric effector.
  引起结构变化的小分子叫做变构效应场。
• We do all of this to understand the chemistry of one molecule.
  我们做了所有这样的事，以了解一个分子的化学性质。
• The influence of monomer molecule structure on polymers'contact angle was discussed.
  测试了该薄膜的接触角，讨论了单体分子结构对聚合物接触角的影响。
• 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。
• 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 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。
• The chemical structure of this particular molecule is very unusual.
  这个特殊分子的化学结构很不寻常。
• In this study, we further explore the mechanism of action of this molecule.
  研究者进一步研究了此分子的作用机制。
• 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。