O-r system
[医] 氧化还原系
🧩 词语组成解析
🗣️ 情景例句
You haven't answered my question.
你还没有回答我的问题呢。
Our clients want a replacement.
我们的客户要求换货。
This product is doing very well in foreign countries.
这种产品在国外很畅销。