light speaker信息详情
灯光扬声器
speaker───n.(Speaker)人名；(英)斯皮克；n.演讲者；扬声器；说话者；说某种语言的人
bt speaker───蓝牙扬声器
louder speaker───更大声的扬声器
first speaker───第一个发言者
dipolar speaker───双极扬声器
portable speaker───便携式喇叭；便携式扬声器
speaker box───音箱；[电子]扬声器箱；喇叭盒
vibration speaker───振动扬声器
keynote speaker───主讲人；大会发言人；主讲嘉宾；[医]主讲人
the mood. For example, if a serious subject was presented by the previous speaker, the introduction can prepare the audience for a more light-hearted speech to follow.───比如说，上一位出席发言者的主题是严肃的，那么这份介绍将让观众做好准备，去听接下来较轻松的演说。
This would be enough to power an electronic speaker or small LED (light-emitting diode) lights, but not enough to operate a laptop, which requires an estimated 30 to 50 watts.───这对于电子扬声器或小型LED灯已经足够，但还不足以支持笔记本运行。笔记本一般需要30到50瓦的功率。
would be some light relief at the end of a long, hard week. He was scheduled as the last speaker on the last day.───在过了一个漫长艰难的一周后，他的讲话将稍稍缓解一些压力。