loudspeaker中文解释
n,[电子]喇叭，扬声器；扩音器,同近 n,[电子]喇叭，扬声器；扩音器,同近的英语怎么说
loudspeaker例句The loudspeaker announced the arrival of the train..广播说火车进站了。
loudspeaker英语解释喇叭，扬声器；扩音器英释nna piece of equipment used to make sounds louder
loudspeaker中文解释
n,[电子]喇叭，扬声器；扩音器,同近 n,[电子]喇叭，扬声器；扩音器,同近的英语怎么说
loudspeaker例句The loudspeaker announced the arrival of the train..广播说火车进站了。
loudspeaker英语解释喇叭，扬声器；扩音器英释nna piece of equipment used to make sounds louder
