Dbv
[电] 和阻抗水平无关的电压增减
🗣️ 情景例句
His number is 555-8842.
他的电话是555-8842。
We hope your design and the color will be strongly attractive to the American people.
我们希望你们的设计和颜色对美国人具有巨大吸引力。
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你没听说过他吗？他是个著名歌手。他星期六将在新剧院演出。