Retrodirector
反向导向器
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
Education begins a gentleman, conversation completes him.
人的教养始于教育，成于社交。
You can enlarge your knowledge and learn some English at the same time.
你可以扩大你的知识面，同时又学习了英语。