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 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。
• 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。
• So tell me what this molecule does that makes it special
  那么告诉我这个分子有何作用而使其与众不同。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。