Revolving
来自Big Physics
late Middle English (in the senses ‘turn (the eyes) back’, ‘restore’, ‘consider’): from Latin revolvere, from re- ‘back’ (also expressing intensive force) + volvere ‘roll’.
etymonline
revolving (adj.)
"making revolutions, rotating," 1690s, present-participle adjective from revolve (v.). Revolving door is attested from 1856 in industrial processes, 1896 in buildings.
