proofing

动词 proof:

1. make or take a proof of, such as a photographic negative, an etching, or typeset
   同义词：proof
2. knead to reach proper lightness
   同义词：proof
3. read for errors
   同义词：proofread, proof
4. activate by mixing with water and sometimes sugar or milk
   同义词：proof
5. make resistant (to harm)
   同义词：proof

1. Is the claim capable of proof?
   这要求能证明是合理的吗?
2. There is positive proof that he did it.
   有确切的证据证明他做了此事。
3. Have you got any proof that you own this bike?
   你有什么证据证明这辆自行车是你的？
4. A credit card is not a valid proof of identity.
   银行发的支票保付卡不是有效的身份证明文件。