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 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。
• 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 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。
• 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。
• 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。
• 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 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。
• 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。
• In my biology class, we are studying the DNA molecule.
  在我的生物课上，我们在学习DNA分子。
• 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。