testament
noun formal uk/ˈtes.tə.mənt/ us/ˈtes.tə.mənt/
(PROOF)
[ C or U ]证明；验证
proof
The detail of her wildlife paintings is (a) testament to (= proof of) her powers of observation. 她画野生动物十分细致，这证明她有很强的观察能力。
[ C ]遗嘱，遗言
a will that someone makes, saying what should be done with their money and property after they die
This article will give clear instructions for making a last will and testament. 这篇文章清楚介绍了如何立下遗嘱。