Dbk
[电] 相对于一仟瓦的分贝
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
I'm going to buy two bottles.
我需买两瓶。
Excuse me! Is this your bike?
打扰一下。这是你的自行车吗？