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
No. But I have to.
没有 ，但有此必要。
I have to hang up now.
我得挂电话了。
Good afternoon, Li Lei! Nice to meet you. How do you do?
你好。见到你很高兴。