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

• 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 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。
• And, you get a nonpolar molecule.
  你得到了一个非极性分子。
• 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。
• 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 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。
• 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。
• 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。
• 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。
• 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。