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.

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

amplifying 是动词 amplify 的现在分词形式。amplify 由前缀 ampli-(表示"扩大")和动词后缀 -fy(表示"使...化")组成,意思是"放大、增强"。在这里指通过音响设备扩大声音的音量。

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