Pre-mkts
[经] 开盘时刻
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
She's doing fine, thank you.
她很好，谢谢你。
Do you intend to finish before you leave?
你在出去以前要把它做完吗？
Excuse me. Where's the nearest post office, please?
请问，最近的邮局在哪儿？