proof
英 [pruːf]
美[pruf]
	    - n. 证明;证据;校样;考验;验证;试验
 - adj. 防…的;不能透入的;证明用的;耐…的
 - vt. 试验;校对;使不被穿透
 
英英释意
- 1. any factual evidence that helps to establish the truth of something;
 - "if you have any proof for what you say, now is the time to produce it"
 
- 2. a formal series of statements showing that if one thing is true something else necessarily follows from it
 
- 3. a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
 
- 4. (printing) an impression made to check for errors
 
- 5. a trial photographic print from a negative
 
- 6. the act of validating; finding or testing the truth of something