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n (1) 塵土(埃)，粉末 (fine， dry particles of earth， dirt， etc) [U]：(furniture/books/roads) be covered in/with～(家具/書/道路上)滿是塵土;D～lay thick in the street. 街上落著厚厚一層土。 (the air in the room) be full of～(房間的空氣中)飛滿灰塵;clouds of～飛揚的塵土;a speck of～一點塵土;a～storm 塵暴;gold/chalk/saw～金粉/粉筆末/鋸末;The car threw off a cloud of～. 車子揚起一陣塵土。The cloth was so ancient that it fell to～as we touched it. 那塊布年代太久遠(yuǎn)了，一碰就成了粉末。

(2) 一陣塵土 (a cloud of such particles) [U， a～]：The car/horse's hooves raised quite a～. 車子/馬蹄揚起好一陣塵土。

(3) 遺骸 (remains of a dead body) [U] (lit)：respect the～of a great leader 瞻仰偉大領(lǐng)袖的遺骸;

→′dusty adj 滿是灰塵的;粉末狀的;′dustbin (BrE) n 垃圾箱;′dust-cart n 垃圾車;′dustman n 垃圾清掃工;′dustpan n 簸箕;′dust-sheet n 防塵罩;′dust-cover n 防塵罩;′dust-jacket n 護書封皮;′dust-up n 吵架;打架;

v (1) 撣(拭，揩) (clean dust from (sth) by wiping， brushing or beating) [I， T+n]：～every day/once a week 每天/一周揩一次灰塵;～furniture/books/rooms 撣家具/書籍/房間的塵土;～clothes 撣衣服上的塵土;

(2) 撣(擦)掉……身上的灰塵 (remove dust from (sb) in this way)[T+n+adv(down/off)]：D～yourself down：you are covered in plaster from the ceiling. 撣一撣你身上，你渾身都是天棚上掉下來的灰。

(3) 撒粉末 (cover with a powdery substance) [T+n， T+n+prep(onto/over)]：(snow)～the trees (雪花)飄落在樹木上;～sugar onto (over) cakes 把糖撒在蛋糕上;～powder onto (over) roses 把殺蟲粉撒在玫瑰花上;～fertilizer onto (over) plants 把肥料撒在植物上;～the sweets with sugar/icing sugar 往糖果上撒糖/糖霜;～the crops with insecticide 往莊稼上撒殺蟲劑;～one's face with powder 往臉上擦粉;

→′duster n 撣子;抹布