proofing

n.证明；防护；上胶

动词proof的现在分词形式.

Is the claim capable of proof? 这要求能证明是合理的吗?

There is positive proof that he did it. 有确切的证据证明他做了此事。

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？

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。

隔音,隔音法,消声

n.耐火装置

adj.耐火的

防水的

n.抗锈(蚀)

隔声

adj.防火的