(military) a person who freely enlists for service
同义词：volunteermilitary volunteer
composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a religious service or musical performance
voluntaries例句
Voluntaries Voluntaries The Invention of Evening: Wordsworth's evening voluntaries Voluntaries and Sea Robbers: A review of the academic literature on privateering, corsairing, buccaneering and piracy Sunday Morning Organist, Vol 7: Voluntaries (without Pedal) (Alfred's Classic Editions) [Paperback] Day-to-day variation of late-night salivary cortisol in healthy voluntaries. Confocal Raman study of aging process in diabetes mellitus human voluntaries Effect of a Preparation Containg a Fucose-Rich Polysaccharide on Periorbital Wrinkles in Human Voluntaries [Non-specific adherence of Enterococcus faecalis strains isolated from healthy voluntaries and infection of urinary tract]. Effect of a preparation containing a fucose‐rich polysaccharide on periorbital wrinkles of human voluntaries
