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
For goodness' sake, Pete, tell us!
天啊， Pete， 快告诉我们
Don't make any mistakes.
别出差错。
We can negotiate the unit price for large orders.
如果大量订购，单价可以再谈。