Ron
abbr. 研究法辛烷值（Research Octane Number）
✅ 同义词
🗣️ 情景例句
We're right behind you.
我们都支持你。
How much is a one-way ticket to Beijing?
一张到北京的单程票要多少钱？
Not very good at the moment, I'm afraid. It's quite windy, and there's a lot of snow.
恐怕这阵子不很好。风很大，而且老下雪。