| 例句 |
rotationsnounpl. of rotation a rapid turning about on an axis or central pointthe Earth completes a single rotation around its axis in approximately 24 hours gyrations, pirouettes, reels, revolutions, rolls, spins, twirls, wheels, whirls circuits, circulations, rings, roundscoils, curls, curves, spirals, twists, whorlscircles, orbitseddies, swirls |