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            魏碑心思朗文詞典
            簡體 繁體

            dust

            D 開頭單詞四級詞匯四級核心詞六級詞匯考研詞匯專八核心詞托福詞匯高考詞匯詞源字典

            音標(biāo)發(fā)音

            • 英式音標(biāo) [d?st]
            • 美式音標(biāo) [d?st]
            • 國際音標(biāo) [d?st]
            • 英式發(fā)音
            • 美式發(fā)音

            基本解釋

            • n. 灰塵;塵埃;塵土
            • vt. 撒;拂去灰塵
            • vi. 拂去灰塵;化為粉末
            • n. (Dust)人名;(德、俄)杜斯特

            詞源解說

            • 13世紀(jì)進(jìn)入英語,直接源自古英語的dust,意為灰塵,塵土。

            同根派生

            • adj性質(zhì)的同根詞
              dusty:落滿灰塵的。
            • n性質(zhì)的同根詞
              duster:抹布,撣子;除塵器;打掃灰塵的人。
              dustiness:灰蒙蒙;多灰塵;塵污。
            • dust相關(guān)詞

            用法辨析

              n. (名詞)

            • dust的基本意思指粉末狀干土,即“塵土”“塵?!?。引申指“煙塵般的虛無”“塵土般的卑賤”“塵垢般的屈辱”。
            • v. (動詞)

            • dust用作動詞意思是“撣去灰塵”。后接粉狀物質(zhì)時,還可表示“把…撒在…上”。
            • dust用作及物動詞時,接名詞、代詞作賓語。
            • dust使用方法
            • dust詳細(xì)辨析

            英漢例句

              用作名詞 (n.)

            • What a dust!
              好大的塵灰啊!
            • 用作動詞 (v.)

              用作不及物動詞: S+~(+A)

            • She dusts every day.
              她每天都擦拭灰塵。
            • 用作及物動詞: S+~+ n./pron.

            • Dust your hat.
              拂去你帽子上的灰塵。
            • dust更多例句

            詞組短語

              用作名詞 (n.)

              動詞+~

            • collect dust 積累灰塵
            • drive the dust 消除灰塵
            • gather dust 積累灰塵
            • kick up a dust 揚(yáng)起灰塵
            • make a dust 揚(yáng)起灰塵
            • dust更多詞組

            英英字典

              劍橋英英字典

            • dry dirt in the form of powder that covers surfaces inside a building, or very small dry pieces of soil, sand, or other substances
            • (CLEAN) to use a cloth to remove dust from the surface of something
            • (COVER) to cover something with a light powder
            • 柯林斯英英字典

            • Dust is very small dry particles of earth or sand.
            • Dust is the very small pieces of dirt which you find inside buildings, for example, on furniture, floors, or lights.
            • Dust is a fine powder which consists of very small particles of a substance such as gold, wood, or coal.
            • When you dust something such as furniture, you remove dust from it, usually using a cloth.
            • If you dust something with a fine substance such as powder or if you dust a fine substance onto something, you cover it lightly with that substance.
            • If you say that something has bitten the dust, you are emphasizing that it no longer exists or that it has failed.
            • If you say that something will happen when the dust settles, you mean that a situation will be clearer after it has calmed down. If you let the dust settle before doing something, you let a situation calm down before you try to do anything else.
            • If you say that something is gathering dust, you mean that it has been left somewhere and nobody is using it or doing anything with it.
            • dust劍橋字典
            • dust柯林斯字典

            專業(yè)釋義

              環(huán)境科學(xué)技術(shù)

            • 粉塵
            • 灰塵

              Research on heavy metal pollution of urban dust can be seen as a new breakthrough point for eco-environmental research of city.
              城市灰塵重金屬污染的研究應(yīng)該成為我國城市生態(tài)環(huán)境研究的一個新切入點(diǎn)。

            • 飄塵
            • 電子、通信與自動控制技術(shù)

            • 粉塵
            • 粉末

              In the process of laser cladding, there were noise caused by powder splash, arc light and dust, so it was necessary to pre-process images to get useful information.
              由于激光熔覆過程中存在粉末飛濺、弧光和煙塵等噪聲干擾,在提取圖像有效信息時對圖像進(jìn)行處理。

              能源科學(xué)技術(shù)

            • 粉塵

              The proposition of the paper comes from a NSFC project-"Contributing Factorof Cutting Dust and Its Control Strategies".
              本論文的論題選自國家自然科學(xué)基金項目“采掘機(jī)械截割粉塵的成因及控制方法的研究”。

              醫(yī)藥科學(xué)

            • 塵肺,塵病
            • 計算機(jī)科學(xué)技術(shù)

            • 灰塵

              dust;dust collection;performance testing.
              灰塵;灰塵回收;性能測試。

              農(nóng)業(yè)科學(xué)

            • 粉劑
            • 生物學(xué)

            • 花粉
            • 塵埃
            • 粉塵;粉劑;花粉
            • 天文學(xué)

            • 塵埃

              X-rays are absorbed and scattered by dust grains when they travel through theinterstellar medium. The scattering within small angles results in an X-ray “halo”.
              當(dāng)X射線穿越星際介質(zhì)時會被星際塵埃顆粒吸收和散射,散射角度較小的光子就會在原來的X射線周圍形成一個彌散的圖像,這就是“暈”。

              體育

            • (投手)故意向(擊球手)投球威脅
            • 土木建筑工程

            • 塵土
            • 地球科學(xué)

            • 浮塵
            • 塵
            • 塵埃
            • 漂塵
            • 飄塵
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