gases

例句:

• Industry has been working at developing harmless substitutes for these gases.
  该行业一直在努力开发一些可以替代这些气体的无害物质。
  
• Still have all the same problems of storing gases.
  来自SA
• The problem was that the exhaust gases contain many toxins.
  问题在于废气中含有很多毒素。
  
• These gases would seriously damage the patient's respiratory system.
  这些毒气会严重损害患者的呼吸系统。
  
• Methane is the second largest contributer of greenhouse gases.
  来自SA
• This would help remove greenhouse gases from the atmosphere.
  来自SA