Orrs
(orr 的复数) abbr. 整体反应率（The Overall Response Rate）；氧还原反应（Oxygen Reduction Reaction）
🗣️ 情景例句
Could we make it tomorrow at nine?
明天9点怎么样？
It's half past nine.
现在是九点半。
How long have you worked in this factory?
你在这家工厂工作有多长时间了？