证

• She positively assured me that it was true .
  她向我明确地保证那是事实。
• His master holds the patent of it .
  现在专利证还在他东家手里呢。
• She won her licence in physics in 1893 .
  她获得了物理学结业证。
• By god, you covered ground .
  老天爷做证，你把这块地面都踏遍了。
• The third law of motion is easy to demonstrate .
  第三运动定律是容易示证的。
• To aver is to allege in a pleading .
  立证是在辩护中引例证明。
• By god, you are somebody .
  老天爷做证，你是个有来头的人物。
• I have brought his birth certificate .
  我带他的出生证来了。
• We publish this with all reserve .
  本处公布此事确否待证。
• Commercial invoice is a document .
  商业发票是一种单证。