chlorophyll [ˈklɔ:rəfɪl]

例句:

• The pigments are the chlorophyll which carry out photosynthesis.
  来自BBC
• The green colouring in plant leaves is called chlorophyll.
  来自BBC
• Chlorophyll is produced by the action of light on the plants'leaves.
  光对植物的叶子发生作用从而产生叶绿素.
  
• The disease causes varying degrees of destruction of the chlorophyll.
  这一病害使叶绿素遭到不同程度的破坏.
  
• The structure of the chlorophyll molecule is known . It consists ofporphyrin.
  叶绿素的分子结构已经搞清, 它是由卟啉组成的.
  
• Plants need light to be able to make chlorophyll.
  来自BBC