lubricants ['lu:brɪkənts]

例句:

• Gear lubricants may congeal and channel in cold weather.
  天气冷时齿轮润滑油可能凝结而形成凹槽.
  
• In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.
  为了评定润滑剂对复丝纱摩擦所起的作用, 要求用不带整理剂的纱作试验.
  
• The performance of dry lubricants is improved by the preparation of the surfaces.
  干润滑剂的性能是靠表面的处理来改善的.
  
• Oil-based lubricants react with the condom, breaking down and weakening the latex.
  来自BBC
• It requires a toxic cocktail of chemical lubricants that worm their way into groundwater.
  来自SA
• Oil from the Jatropha can be used to make lubricants, soap and cosmetics.
  来自VOA