He gave a tap at the microphone before speaking.

他在讲话前先轻叩了一下扩音器。

Amplifier is electrical device which make sounds louder.

扩音器是一种声音放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单一的扩音器上。

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

机在机场一着陆, 扩音器发出通告。

He used a microphone so that everyone could hear him.

"他用扩音器,都能听见他的讲话。"

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.

候选从车顶的窗口探出头来，扩音器下他的嗓音略微嘈杂。

He gave a tap at the microphone before speaking.

他在讲话前先轻叩了一下扩器。

Amplifier is electrical device which make sounds louder.

扩器是一种使声放大的电气装置。

All the speakers hook up to a single amplifier.

所有接在单一的扩器上。

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

每架飞机在机场一着陆, 扩器发出通告。

He used a microphone so that everyone could hear him.

"他使用扩器,使人人能听见他的讲话。"

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

这波驱猫器看上去像扩器，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出头来，扩器下他的嗓略微嘈杂。

He gave a tap at the microphone before speaking.

他在讲话前先轻叩了一下。

Amplifier is electrical device which make sounds louder.

是一种使声放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单一的上。

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

每架飞机在机场一着陆, 告。

He used a microphone so that everyone could hear him.

"他使用,使人人都能听见他的讲话。"

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，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头来，下他的嗓略微嘈杂。

He gave a tap at the microphone before speaking.

他在讲话前先轻叩了一下器。

Amplifier is electrical device which make sounds louder.

器是一种使声放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单一的器上。

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

每架飞机在机场一着, 器发。

He used a microphone so that everyone could hear him.

"他使用器,使人人都能听见他的讲话。"

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

这个超波驱猫器看上去像个器，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头来，器下他的嗓略微嘈杂。

He gave a tap at the microphone before speaking.

他在先轻叩了一下扩音器。

Amplifier is electrical device which make sounds louder.

扩音器是一种使声音放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单一的扩音器上。

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

每架飞机在机场一着陆, 扩音器发通告。

He used a microphone so that everyone could hear him.

"他使用扩音器,使人人都能听见他的。"

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.

候选人从车顶的窗头来，扩音器下他的嗓音略微嘈杂。

He gave a tap at the microphone before speaking.

在讲话前先轻叩了一下器。

Amplifier is electrical device which make sounds louder.

器是一种使声放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单一的器上。

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

每架飞机在机场一着陆, 器发出通告。

He used a microphone so that everyone could hear him.

"使用器,使人人都能听见的讲话。"

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

这个超波驱猫器看上去像个器，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出头，器下的嗓略微嘈杂。

He gave a tap at the microphone before speaking.

他在讲话前先轻叩了一下器。

Amplifier is electrical device which make sounds louder.

器是一种使声放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单一的器上。

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

每架飞机在机场一着, 器发。

He used a microphone so that everyone could hear him.

"他使用器,使人人都能听见他的讲话。"

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

这个超波驱猫器看上去像个器，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头来，器下他的嗓略微嘈杂。

He gave a tap at the microphone before speaking.

他在讲话前先轻叩了一下扩。

Amplifier is electrical device which make sounds louder.

扩是一放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单一的扩上。

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

每架飞机在机场一着陆, 扩发出通告。

He used a microphone so that everyone could hear him.

"他用扩,人人都能听见他的讲话。"

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，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出头来，扩下他的嗓略微嘈杂。

He gave a tap at the microphone before speaking.

在讲话前先轻叩了下扩音器。

Amplifier is electrical device which make sounds louder.

扩音器是种声音放大的电气装置。

All the speakers hook up to a single amplifier.

所有喇叭都接在单的扩音器上。

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

每架飞机在机场, 扩音器发出通。

He used a microphone so that everyone could hear him.

"用扩音器,人人都能听见的讲话。"

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出头来，扩音器下的嗓音略微嘈杂。