volunteer activity

• 志愿者活动

volunteer activity的用法和样例：

例句

1. Examples of such local initiatives include crime prevention volunteer activities and safety lectures at schools.
   例如包括招募犯罪预防志愿者活动以及在学校里开展安全讲座等活动。
2. We encourage all students to volunteer for at least one community activity before they graduate.
   我们鼓励所有学生在毕业前至少参与一项社区的志愿者活动。