amplify

音响系统会把现场观众的欢呼声放大。

The sound system will ___amplify the cheers from the live audience.

他用数据进一步强化了自己的观点。

He used statistics to ___amplify his point.

名人效应可以迅速将一个小道消息传播到全国。

Celebrities can ___amplify a small rumor across the nation quickly.