Dbj
[电] 用以表示相对于射频讯号基准的单位
🗣️ 情景例句
I've got some great new dance music.
我有几卷很好的新舞曲。
What a disappointment.
真是失望透顶。
Because I've just retired.I want to buy a small house in the country.
因为我刚退休。我想在乡下买幢小房子。