SFB

例句：

1. 1. Sorry, I'm not familiar with the SFB.
   抱歉，我对SFB不熟悉。
2. 2. The SFB is a new technology that can improve our lives.
   SFB是一种新技术，可以改善我们的生活。
3. 3. The SFB has been widely used in various fields.
   SFB在各个领域都有广泛的应用。