Dbj
[电] 用以表示相对于射频讯号基准的单位
🗣️ 情景例句
Let's what?
你说什么？
Do you like going to see painting exhibition?
你喜欢参观画展？
In a few minutes he returned with my bag and gave it back to me.
一会儿工夫他拿着我的提包回来了，把它还给了我。