什么是 volunteer?A person who performs or offers to perform a service voluntarily: an information booth staffed by volunteers; hospital volunteers. Law A person who renders aid, performs a service, or assumes an obligation voluntarily.Law A person who holds property under a deed made without consideration.Botany A cultivated plant growing from self-sown or accidentally dropped seed.Being, consisting of, or done by volunteers: volunteer firefighters; volunteer tutoring. Botany Growing from self-sown or accidentally dropped seed. Used of a cultivated plant or crop.To give or offer to give voluntarily: volunteered their services; volunteer to give blood. To perform or offer to perform a service of one's own free will.To do charitable or helpful work without pay: Many retirees volunteer in community service and day care centers.