Dfe
abbr. derivative fighter engine 派生型戰斗機發動機; derrick floor elevation 起重機基底海拔; double fish eye (buttons) 雙魚眼（照相機功能按鈕）
??? 情景例句
At any rate, we must go there.
不管怎么樣，我們非去那里一趟不可。
Man will conquer nature.
人定勝天。
What are you doing?
你在干什么？