I usually do some preparation job such as equipment checking, training, ect.

通常我会做些准备工作，如设备检查、培训等。

youdao

During my four years in University, I have participated in a variety of practical activities. There are volunteer activities, sports meeting, speech competitions ect.

大学四年里，积极参加各种实践活动，有志愿者活动、运动会、演讲比赛等。

youdao