求翻译：一个人要参加乒乓球比赛,比赛班级由十二班对五班,在学校体育馆举行比赛,比赛施时间是星期五下午四点钟,要求学生自己带水喝,按时到校,学生自己带球和球鞋.是什么意思？

A person to attend table tennis, class from 12 to five classes of competition, competition held in the school gymnasium, effects of game time is Friday at four o'clock in the afternoon, ask the students to bring their own water to drink, get to school, students bring their own balls and shoes.