Pre-mkt
[经] 开盘前
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
abbr. 市场（market）
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
It's up to you.
由你决定。
A born teacher, she thought she could turn a deaf-blind person into a useful human being.
她是一个天的教师，认为自己可以把一个聋盲人变成一个有用的人。