proof/pruːf/

n. facts that prove sth is true

a. providing protection against sth

n. [U; C] 证据：[proof that ...] Do they have any proof that he stole the notebook? 他们有证据证明他偷了笔记本吗？

◇[proof of sth] proof of his guilt 证明他有罪的证据

a. 耐…的，能防…的：[proof against sth] The material is proof against water.这种材料是防水的。

用法常构成复合词，如：waterproof（防水的），bulletproof（防弹的）。

音组-oof/-uːf/

proof; roof