She now helps in a local school as a volunteer three days a week.她现在作为一名志愿者每周3天在当地一所学校帮忙。
Aunt Mary volunteered to clean up the kitchen.玛丽姨妈主动要求打扫厨房。
Volunteer work gives her life (a sense of) purpose.做志愿工作使她的生活有了意义。