主要来源

• That has been a major source of heartburn for educators
  这项提议已经成为教师们热情的主要来源。
• Coal combustion in power plant is a major source of nox
  火电厂燃煤产生的nox是排放的主要来源。
• Thus would man try to cut the machines off from the sun
  因此人类隔绝了机器人能源的主要来源太阳
• Thus would man try to cut the machines off from the sun . .
  因此人类隔绝了机器人能源的主要来源太阳
• Today it remains one of the main sources of american oil imports
  今天它仍然是美国石油进口的一个主要来源国。
• Carbon dioxide emissions are the primary source of greenhouse gases
  二氧化碳的释放是温室效应气体的主要来源。
• The government ' s revenue is made up chiefly of the money we pay in taxes
  政府的收入主要来源是靠我们所交的税。
• Many newspapers look to their subscribers as the major resources of revenue
  许多报纸以订户为其收入的主要来源。
• " and fruits and vegetables are a major source of folic acid , " he adds
  他又指出：水果和蔬菜正是叶酸的主要来源。
• Automotive exhaust emissions have been the main source of air pollution
  汽车尾气排放污染已是大气污染的主要来源。