🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
It was my pleasure.
这是我的荣幸。
How much is the rent for a month?
每月租金多少？
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。