红色的心，是志愿者的纯朴的微笑与真诚的服务的象征。

Red heart, is the simple smiling volunteers with the sincere service.

youdao

红色的心，是志愿者的纯朴的微笑与真诚的服务的象征。

Red heart, is the simple smiling volunteers with the sincere service.

youdao