Petroleum refining(processing)
[化] 石油炼制
🧩 词语组成解析
🗣️ 情景例句
I went back for it, but the ferry was gone.
等我回去找的时候 船已经开走了。
Nothing is more precious than time.
世上最宝贵的莫过于光阴。
What's up?
有什么事吗？