Nfk
abbr. nothing further known 无进一步消息
🗣️ 情景例句
There are abundant free materials available on the internet.
因特网上有丰富的免费资料提供。
To rush to the scene of the accident
赶往意外事故的现场
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，