🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
have been postponed indefinitely.
被迫无限期延缓。"
Packing has a close bearing on sales.
包装直接关系到产品的销售。
Excuse me, I must go.
请原谅，我得走啦。