臭气,恶臭,放出
Effluvium \Ef*flu"vi*um\, n.; pl. {Effluvia}. [L., a flowing out, fr. effluere to flow out. See {Effluent}, a.] Subtile or invisible emanation; exhalation perceived by the sense of smell; especially, noisome or noxious exhalation; as, the effluvium from diseased or putrefying bodies, or from ill drainage.
effluvium n : a foul-smelling outflow or vapor (especially a gaseous waste) [also: {effluvia} (pl)]