prove

詞意辨析：

prove, certify, demonstrate, establish, testify

這些動詞均含有“證明、證實”之意。
prove: 普通用詞，指通過某種手段或方式提供證據以驗證某事物真實與否，某結論正確與否等情況。
certify: 較正式用詞，多指有簽字蓋章的、合符法律程式的書面證明。
demonstrate: 指通過推理、辯論、實驗或以實例來確定事物的正確與否。常用於理論、學說、定律等的證明上。
establish: 指證實事實或理論的真實性與正確性，使其能長期存在或為人們所接受。
testify: 較正式用詞，既指出庭作證，提供證據，又指為某人或某事的是否真實提供證據或證明。

字典網

詞型變化：

動詞過去式:proved,proven 過去分詞:proved,proven 現在分詞:proving 第三人稱單數:proves 副詞:provably 形容詞:provable 名詞:provability prove

英文解釋：

動詞 prove:

1. be shown or be found to be
   同義詞：turn out, turn up
2. establish the validity of something, as by an example, explanation or experiment
   同義詞：demonstrate, establish, show, shew
3. provide evidence for
   同義詞：testify, bear witness, evidence, show
4. prove formally; demonstrate by a mathematical, formal proof
5. put to the test, as for its quality, or give experimental use to
   同義詞：test, try, try out, examine, essay
6. increase in volume
   同義詞：rise
7. cause to puff up with a leaven
   同義詞：raise, leaven
8. take a trial impression of
9. obtain probate of

例句：

1. She claimed that money had been wasted and our financial difficulties seemed to prove her point.
   她斷定那筆錢用得不是地方，而我們在經濟上遇到的困難卻也似乎說明她言之有理。
2. The old methods proved best after all.
   採用老方法結果反而是某事物最好。
3. He has proved his courage in the battle.
   他已在這場戰鬥中證明了自己的勇氣。
4. Perhaps this book will prove to be of some use to you in your studies.
   也許這本書會對你的研究有用處。