Petroleum refining(processing)
[化] 石油炼制
🧩 词语组成解析
🗣️ 情景例句
To enjoy the simple things in life ...
享受人生乐趣……
Experience is a school from which one can never graduate.
经验无止境。
I don't think you'll have any difficulty in pushing sales.
我认为你推销时不会有任何困难。