v.作证，证明( testify的现在分词 )，证明，证实...

testifying的音标：...

The witness's demeanor in testifying provides useful guidance in making this assessment.证人作证时的举止为作出上述判断提供了有用的指导.Sonia Sotomayor is testifying in front of the Senate Judiciary Committee.索尼娅·索托马约尔现在在参议院司法委员会做听证.It is ...