sienna

n [U] type of clay used as colouring matter 赭石（用作颜料）: burnt sienna, ie reddish-brown 赭石（赤褐色颜料） * raw sienna, ie brownish-yellow 生赭石（棕黄颜料）.

side-swipe, side-track, side-view, side-whiskers, side-winder, sideboard, sidekick, sidelight, sideline, sidelong, sidereal, sideshow, sidestep, sidewalk, sideway, sideway(s), sideways, siding, sidle, siege, sierra, siesta, sieve, sift, sifter, sigh, sight, sight-read, sight-reading, sight-screen (also screen), sighted, sighting, sightless, sights, sightseeing, sightseer, sign, sign in, sign language, sign on,