Dbv
[电] 和阻抗水平无关的电压增减
🗣️ 情景例句
No one knows for certain what happened, but it's a fair bet that it was not an accident.
没有人知道究竟发生了什么，但几乎可以肯定这并非意外。
Misfortune is a good teacher.
不幸是良师。
It is now standing in the corner of our sitting room.
它现在就站在客厅的一个角落。