absoluteassuredauthenticcertaintyclearconclusiveconfirmativeconfirmatorydeadhardindubitablepositivereliablesafesteadysureenoughsurefiretriedtrueundisputedunquestionablevalidverier确实: true; reliable; demonstratio ...的: 4次方是 The fourth power of 2 i ...不确实的: chancy; cronk; inexact; untrue确实的事情: certainty; cinch确实的证据: valid evidence下载手机词典可随时随地查词查翻译