求翻译：准备在本周星期三下午4点开一个班会，讨论如何准备参加校运会的事宜，请体育委员做好准备主持会议。是什么意思？

Ready to open this week at 16:00 on Wednesday, a class meeting to discuss how to prepare to participate in matters of athletic meets, sports members ready to chair the meeting.

This week in preparation for Wednesday at 4PM on a class, discuss how to prepare for participation in the school athletic sports, please prepare members chaired the meeting.

The preparation 4 o'clock has a class meeting in this week Wednesday afternoon, how discusses prepares to participate in the school to transport the meeting the matters concerned, asks sports committee member to prepare for to preside over the conference.

Ready at 4 o'clock in the afternoon on Wednesday, opening a class meeting this week, discussing how to prepare to take part in the school sports meeting, please prepare sports Chair.

正在翻译，请等待...