白堊粉,白粉一種碾碎的并洗過的純凈白堊,用于油漆、墨水和油灰 A pure white grade of chalk that has been ground and washed for use in paints, ink, and putty.
擦抹于球桿頂端的粉塊用來擦彈子球棒梢或落袋臺球棒梢以增加其與球的摩擦的一小方塊白堊 A small cube of chalk used in rubbing the tip of a billiard or pool cue to increase its friction with the cue ball.
多佛爾與法國加萊市隔岸相對的英格蘭東南部自治市,臨多佛爾海峽。羅馬燈塔遺址,自中世紀(jì)以來就是戰(zhàn)略要地,該市白堊崖多巖洞和涵洞原為走私者所用。人口33,700 A municipal borough of southeast England on the Strait of Dover opposite Calais, France. Site of a Roman lighthouse, it has been a strategic port since medieval times. The chalk cliffs rising above the city have caves and tunnels originally used by smugglers. Population, 33,700.