Petroleum refining(processing)
[化] 石油炼制
🧩 词语组成解析
🗣️ 情景例句
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
One never loses anything by politeness.
有礼貌对自己不会吃亏。
I think May is the best month.
我认为5月最好。