alkanes ['ælkeɪnz]

例句:

• The straight - chain alkanes exacerbate the problem of engine " knock ".
  直链烷烃使机器的 “ 爆震 ” 问题更加严重.
  
• Methane and propane are alkanes.
  甲烷和丙烷是烷烃。
  
• The general uses of alkanes may be divided into three categories.
  烷的一般用途可分为三个方面.
  
• Natural gas forms when the temperature is higher, favoring lighter molecular weight alkanes.
  来自SA