Dfe
abbr. derivative fighter engine 派生型战斗机发动机; derrick floor elevation 起重机基底海拔; double fish eye (buttons) 双鱼眼（照相机功能按钮）
🗣️ 情景例句
You had something on your mind
你显然有话要说
Sorry to keep you waiting.
抱歉让你久等了。
That's not allowed. Once you are in here, listen to your teacher.
那是不允许的。一旦进来了，你们要听老师的话。