扩音器

He gave a tap at the microphone before speaking.

话前先轻叩了一下扩音器。

All the speakers hook up to a single amplifier.

所有喇叭都接单一的扩音器上。

Amplifier is electrical device which make sounds louder.

扩音器是一种使声音放大的电气装置。

The loudspeaker announced each airplane as it landed at the airport.

每架飞机机场一着陆, 扩音器发通告。

He used a microphone so that everyone could hear him.

"使用扩音器,使人人都能听见的话。"

The Mega-Sonic Scatter-Cat Repeller looks like a megaphone because it actually is one.

这个超音波驱猫器看上去像个扩音器，因为它的确是的。

SASHED candidates standing on car roofs, their voices crackling through loudspeakers.

候选人从车顶的窗口探，扩音器下的嗓音略微嘈杂。