Ngb
abbr. negative guard board 底片档板，阴极档板
🗣️ 情景例句
And this is my wife Marilyn.
这是我太太Marilyn。
We can spend hours talking about computers.
我们可以花些时间一起聊聊电脑。
I can show you other quotations that are lower than yours.
我可以把比贵公司报价低得多的价目表给你看看。