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

• 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。
• 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。
• 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。
• 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。
• Instrumental analysis can be divided into elemental analysis and compound and molecule specific analysis.
  仪器分析可分为元素分析和化合物及分子分析。
• 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。
• An atom or molecule or radical or ion that forms a complex around a central atom.
  在中心原子周围形成一个联合体的原子、分子、原子团或离子。
• It's a small organic molecule.
  这是一个小的有机分子。
• 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。