Pre-reading
n. 读前（活动），课前阅读
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
I don't know.
我不知道。
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
He always talks big.
他总是吹牛。