/əˈtest/ vt.1.(affirm truth of)证明, 表明(真实性)
I can personally attest that the cold and flu season is here.感冒和流感季节来了, 对此我有切身体会。
2.+ act, event见证；连署证明
3.(demonstrate)作为…的证明；表明
His beautifully illustrated book well attested his love of the university.他那本带有精美插图的书表露了他对大学的热爱。
4.(provide evidence for)为…提供证据
The marks in the ground attested the presence of a fossil.地上的痕迹证明了化石的存在。
to attest to sth为…提供证据
Historic documents and ancient tombstones all attest to this fact.历史文献和古墓碑都为这一事实提供了证据。