单

• Dr yanover's bill came due again .
  晏诺华医生的帐单又到期了。
• He anted up his half of the bill .
  他付了该他分担的一半帐单。
• Sheet maps use a much larger scale .
  单张地图用的比例大得多。
• The clerk shuffled reservation and room slips .
  登记员翻阅着预定单和住宿单。
• This is a single-input and single-out device .
  这是一个单输入和单输出的器件。
• Your dress is too little for the weather .
  你的衣服太单了。
• You must fill out this order form .
  这个订货单你要填一下。
• It is bijective if both injective and sujective .
  既单又满的映射称为一一对应。
• Individual layers generally have sharp contacts .
  单层间一般具有截然的接触带。
• In plywood the wood has been cut into veneers .
  在制胶合板时，把木材切成单板。