神奇英语200句--051

51. Before they graduate from universities, these volunteers with the united uniforms are all pleased to serve all the visitors from all over the world.在大学毕业前，这些穿着统一制服的志愿者都乐意为全世界的游客服务。
graduate from 从…毕业
volunteer to do sth. 志愿做某事
be pleased/glad/delighted/willing to do sth. 乐意做某事