pref.先于，在…前

The pre-game show was more exciting than the game itself.
这场预赛比正式比赛还要精彩。
We need to prepare for the worst-case scenario.
我们需要为最坏的情况做好准备。
The company is undergoing a pre-merger review.
该公司正在接受并购前的审查。
The pre-school children were very excited about their first day of school.
幼儿园的孩子们对第一天上学感到非常兴奋。
The pre-dinner drinks will be served in the lounge.
预餐饮料将在休息室提供。
Pre-registration is required for all participants.
所有参与者都需要预先注册。
The pre-flight checklist has been completed.
飞行前检查清单已完成。
The prehistoric cave paintings were discovered by accident.
史前洞穴壁画是偶然被发现的。
Pre-tax income was up 10% from last year.
减去税金的收入比去年增长了10%。
The pre-med program at this university is highly regarded.
这所大学的医学预科课程评价很高。