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

• Combining two atoms of hydrogen with one of oxygen, you will get a molecule of water.
  要是两个氢原子与一个氧原子结合，就可以获得一个水分子。
• 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。
• 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。
• 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 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。
• 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。
• 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。
• The length of the chain molecule is proportional to the kinetic chain length.
  链分子的长度与动力学链长成正比。
• 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 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。