音响师正在放大演讲者的声音，让后排听众也能听清。

The sound engineer is ___amplifying the speaker's voice so people in the back can hear clearly.

他用数据进一步强化了自己的观点。

He used statistics to ___amplify his point.

她在演讲中通过详细的数据进一步阐述了这个观点。

She is ___amplifying her point with detailed data during the presentation.