Ron
abbr. 研究法辛烷值（Research Octane Number）
✅ 同义词
🗣️ 情景例句
Oh, yes, I think we'd like that very much.
噢 ，好的， 我想我们非常乐意。
I used to have dinner at 7:30 and go to bed early.
我过去常在7:30吃晚饭并且早睡觉。
Please make sure you mark the shipment for careful handling.
请不要忘了在货物上标明“小心搬运”。