Fei
abbr. 发射误差指示器（Firing Error Indicator）
🗣️ 情景例句
And I'd also like to thank my math teacher
我还要感谢我的数学老师
As the inner life is, so will be the language.
言为心声。
The guy next to me Wrote his name at the top of the paper.
坐在我旁边的那个人只在试卷顶端写自己的名字。