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 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。
• It's a small organic molecule.
  这是一个小的有机分子。
• 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。
• The molecule contains four carbon atoms arranged in a ring with a triple bond between two of them.
  这个分子包含四个呈环状排列的碳原子，每两个碳原子之间形成一个三价键。
• 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。
• 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。
• 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。
• 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。
• 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 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。