1610s, "occurring at the end," from French conclusif, from Late Latin conclusivus, from conclus-, past participle stem of concludere (see conclude). Meaning "definitive, decisive, convincing" (putting an end to debate) is from 1640s. Related: Conclusiveness.
权威例句
1. Such a conclusive evidence is hard to be explained away.
如此确凿的证据是很难巧辩的.
2. It's no use denying it ; the evidence is conclusive.
证据确凿,不容狡赖.
3. They produced some fairly conclusive evidence.
他们提供了一些相当确凿的证据.
4. They had conclusive evidence of her guilt.
他们对她的罪行有确凿的证据.
5. Her attorneys claim there is no conclusive evidence that any murders took place.