Orr
abbr. 整体反应率（The Overall Response Rate）；氧还原反应（Oxygen Reduction Reaction）
🗣️ 情景例句
Oh, I took the liberty of ordering some breakfast for you.
噢 ，我冒昧给你们订了早餐。
No. I've been visiting relatives.
没有，我走亲戚去了。
Your satisfaction is guaranteed.
包你满意。