I should like to extend my grateful thanks to all the volunteers.我想对所有的志愿者致以衷心的谢意。Since 1976 he has been operating the shop with the assistance of volunteers...从1976年开始，他就在志愿者的帮助下经营这个店。Methods 30 volunteers were chosen a...
The volunteers kept a record of everything they ate for a week.志愿者记录下他们一周所吃的所有食物。Volunteers constitute more than 95% of The Center's work force.该中心95%以上的工作人员是志愿者.Twelve potential vaccines are currently being tested ...