Pre-tests
(pre-test 的复数) [经] 先期测验
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
n. 测验（test的复数）
🗣️ 情景例句
Thank you everyone. Thank you very much.
谢谢大家，非常感谢你们！
His friend was injured in an airplane crash.
他的朋友在飞机碰撞中受伤。
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。