5v降到3v最好办法电路图-爱游戏体育入口
英文中和音乐有关的词汇不少，一起看一下吧！ Elevator music: 在类似电梯间的公共场合反复播放的音乐，《回家》大家都听过伐？ 例句：You can't get away from elevator music in some shopping malls! Ring a bell:听起来熟悉，有印象。 例句：I've never met him, but his name rings a bell. for a song: 超级便宜地 例句：Property prices have come right down-houses are foing for a song at the moment...