Amplifier is electrical device which make sounds louder.
扩

一种使声
放大的电气装置。
Amplifier is electrical device which make sounds louder.
扩

一种使声
放大的电气装置。
SASHED candidates standing on car roofs, their voices crackling through loudspeakers.
候选人从车顶的窗口探出头来,扩
下他的嗓
略微嘈杂。
The loudspeaker announced each airplane as it landed at the airport.
每架飞机在机场一着陆, 扩
就发出
告。
The Mega-Sonic Scatter-Cat Repeller looks like a megaphone because it actually is one.
这个超
波驱猫
看上去像个扩
,因为它的确
的。
He gave a tap at the microphone before speaking.
他在
前先轻叩了一下扩
。
He used a microphone so that everyone could hear him.
"他使用扩
,使人人都能听见他的
。"
All the speakers hook up to a single amplifier.
所有喇叭都接在单一的扩
上。
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