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

• 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。
• And, you get a nonpolar molecule.
  你得到了一个非极性分子。
• 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 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。
• 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。
• 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。
• 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。
• A side bond that links two adjacent chains of atoms in a complex molecule.
  在一个复杂分子中连接了两个邻近的原子链的侧键。
• 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。
• 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。