Ron
abbr. 研究法辛烷值（Research Octane Number）
✅ 同义词
🗣️ 情景例句
Where are you going on your honeymoon?
你准备上哪度蜜月？
OK. That'll be $12.00, please.
到了。请付12美元。
You may as well tell me the truth.
你还是把事实告诉我为好。