loudspeaker
「loudspeaker」的意思
n. 扩音器，喇叭；<旧>（收音机或乐器的）扬声器，喇叭
n.扩音器,喇叭
「loudspeaker」的用法
loudspeaker扬声器 - 用于播放声音
「loudspeaker」的例句
He used a loudspeaker to announce the news.
他用扬声器宣布了新闻。
The concert hall had several loudspeakers to ensure good sound quality.
音乐厅有几个扬声器以确保良好的音质。
She set up the loudspeaker in the center of the room.
她在房间中央设置了扬声器。
The police used loudspeakers to call for help.
警察用扬声器呼救。
The children played with a toy loudspeaker.
孩子们玩了一个玩具扬声器。
The sound engineer adjusted the volume of the loudspeaker.
音响工程师调整了扬声器的音量。
They used loudspeakers to broadcast the event live.
他们用扬声器现场直播了活动。
The public address system in the stadium used loudspeakers to announce instructions.
球场的公共广播系统用扬声器宣布指示。
The speakers at the conference were connected to large loudspeakers for better sound coverage.
会议上的演讲者连接到大型扬声器以获得更好的声音覆盖。
She was practicing her singing with a small portable loudspeaker.
她正在用便携式扬声器练习唱歌。