the activity of youth volunteers

• 志愿者活动

the activity of youth volunteers的用法和样例：

例句

1. 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。
2. The activity of the volunteer, as a essential part of a civilised society, is an important signal of a degree of human civilization.
   摘要志愿者活动是每个文明社会不可缺少的一部分，是人类社会文明程度的一个重要标志。