Fcb
[计] 文件控制块, 功能控制块
🗣️ 情景例句
We like to go to the theater together.
我们常一起去看戏。
Friends are like fiddle-strings,they must not be screwed too tight.
朋友有如琴弦，不能上的太紧。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。