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 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。
• 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。
• 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。
• This simple molecule consists of one oxygen atom and two hydrogen atoms.
  这个简单的水分子由一个氧原子和两个氢原子构成。
• 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。
• A molecule of an element consists of one or two atoms.
  一个元素的分子包含一个或两个原子。
• 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。
• 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 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。
• 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。