testify under oath that... 发誓声明/证明...testify under oath 宣誓作证...testify vt.证明,作证,声明,表明v...testify a fact 证实一个事实...testify on sb's behalf 为某人作证,作有利于某人的证明...testify to sb's innoncence 证明某人无罪...testify on behalf of sb 为某人作证,作有利于某人的证明...testify against a person 作不利于某人的证明...
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