单

• She settled down in an armchair to read her book .
  她舒适地坐在单座沙发上看书。
• He got a ticket for speeding .
  他收到一张超速违章通知单。
• We will, however, demand single-valuedness for it .
  然而，我们将要求它的单值性。
• You mentioned certificates of deposit .
  你提到了存款单。
• Ask him to give you a receipt when you pay the bill .
  你付帐单时向他要一张收据。
• When you go away, i'll be left high and dry .
  你一走，就剩下我孤单单的一个人了。
• Do n't work by enthusiasm alone .
  不要单凭热情去工作。
• Commercial invoice is a document .
  商业发票是一种单证。
• The reaction is monomolecular .
  这种反应是单分子反应。
• She took the charge off the bill .
  她把单上的帐销去。