Pre
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
Mr. Gao in Room 409.
409房间的高先生。
An honest look covereth many faults.
一副诚实的外表掩盖着许多缺点。
To know everything is to know nothing.
样样通，样样松。