covalent [ˌkoʊˈveɪlənt]

例句:

• Rather, the wave function is time - independent mixture of covalent and ionic functions.
  的确, 波函数是一个与时间无关的共价函数和离子函数的混合.
  
• In covalent bonding, atoms share electrons.
  在共价键联中, 原子共有电子.
  
• Crystals may be classified as either ionic or covalent by analogy with molecules.
  与分子的情况一样,晶体也可以分为离子键型和共价键型.
  
• The strongest bond of all, I think, is the covalent hydrogen bond.
  来自SA
• I'm not sure if conditions of the early earth were hot enough to break the covalent bonds of hydrogen and oxygen.
  来自SA
• The trick was to replace the covalent bonds in rubber with weaker connections known as hydrogen bonds.
  来自BBC