paer

例句:

• This paer mainly states the principle and methods of the equalizing ttchnology.
  本文主要讨论了均衡的原理和途径.
  
• A large and dangerous animal that is paer of ten cat family.
  向大家请教一下动物,英文,名称之类啲问题.
  
• This paer presents a new way to measure adhesion coefficient in perpendicular capillary.
  本文提出了一种测量粘滞系数的新方法──在垂直毛细管中进行测量.