词汇精选:dust的用法和辨析

一、详细释义: , n. , 沙土;尘土;尘埃 [U] , 例句: ,A fine soil was deposited by winds carrying desert dust.,风把沙漠的沙吹来,堆积成一片幼沙土。, 例句: ,Pompeii was overwhelmed by a vast accumulation of dust and ashes.,庞贝湮没在一巨大的尘土和灰烬堆里。, 粉尘;粉末 , 例句: ,Even these hard parts may crumble to dust.,甚至这些坚硬的部分也会破碎成粉末。, 例句: ,It is dispersed either by thermal volatilization or as a dust.,它用加热蒸发或粉尘的方式散发。, v. , 擦去…的灰尘;擦灰;掸去;擦去;刷去 [T] , 例句: ,He dusted his trousers.,他掸掉裤子上的尘土。, 例句: ,She dusts every day.,她每天掸灰尘。, 把(粉末)撒于;撒(粉) [T] , 例句: ,Dust sugar on to a cake.,将糖撒在糕点上。, 例句: ,The airplane dusted the crops with an insecticide.,飞机给农作物撒农药。, 二、词义辨析: , clean,clear,sweep,dust,mop,wipe,scrub ,这些动词均有“使干净”之意。clean是这些动词中最常用的词,指将某物或某处的污物等清除掉,弄干净。clear指清除不要的东西。sweep指用扫帚等进行清扫,也用作比喻。dust指将积落在物体表面的尘土抹去、掸掉或擦去以保干净。mop侧重指用拖把擦洗地板,有时也指擦干净或擦去。wipe多指用布、纸等物把东西擦净,也指擦掉某物。scrub指用硬刷、肥皂或水用力地擦洗某物。, 三、词义辨析: , earth,clay,dirt,land,dust,soil,mud,ground ,这些名词都有“土地,土,泥”之意。earth多指地表带有水分的泥土,较具体。clay特指潮溼时发粘,而火烤后变坚硬的泥土。dirt指地表的干松泥土。land含义笼统。指与河流、海洋相对的陆地,也指可耕种的土地。dust特指土壤干燥后,飞扬于空中的细微泥土。soil特指适宜栽种农作物或生长各种植物的泥土。mud指溼土,尤指雨后稀泥、污泥。ground通常指大地的表面,也可指土壤、泥土或场地。, 四、相关短语: ,co *** ic dust,n.[天]宇宙尘埃,diamond dust,金刚石粉末,冰晶尘,dust bag,集尘袋,dust bowl,风沙浸蚀区,风沙中心,dust coat,干法涂搪,防尘外壳,dust cover,防尘外壳,dust devil,尘卷,尘暴,旋风沙柱,dust storm,尘暴,沙暴,gold dust,n.砂金,金粉,interplaary dust,行星际尘埃,radioactive dust,放射性尘埃,放射性微尘,dust cloud,尘云, 尘雾, 一、参考例句: ,Dust the dressing table.,掸掉梳妆台上的灰尘。,Please dust that shelf.,请把那个架子上的灰尘掸掉。,The dust has cleared.,骚乱已经平息了。,Dust grimed his face.,灰尘弄脏了他的脸。,Dust coated the furniture.,灰尘覆盖着家俱。,Dust covered all the furniture.,所有家俱沾满了尘土。,Rain turns dust into mud.,雨把尘土变成了软泥。,The dust made him sneeze.,灰尘使他打了个喷嚏。,Inhalation of dust should be avoided.,应避免吸入粉末。,An aeroplane was used to dust insecticide.,使用了一架飞机来喷洒杀虫剂。