Pre
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
Thanks. Thanks a lot. Good-bye.
谢谢。非常感谢。再见。
Take it easy.
想开点吧！
Sparks were emitted from small black boxes and red lamps flashed on and off angrily.
小黑盒子里迸出火花，红色灯泡发怒似地忽明忽暗。