Pre-test
[经] 先期测验
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Theings present are judged by things past.
欲断今日事，须知往日情。
Shortly afterwards, the police stopped the car and both men were arrested.
没过多久，警察就截住了那辆车，两个小偷都被抓住了。