Dbv
[电] 和阻抗水平无关的电压增减
🗣️ 情景例句
I would like to call a meeting.
我想召开个会议。
Whose responsibility are the shipment charges?
运费由谁来负责呢？
You'll have to wear this hard hat for the tour.
参观时必需戴上这安全帽。