94生活常识网有道词典

dust

D 开头单词四级词汇四级核心词六级词汇考研词汇专八核心词托福词汇高考词汇词源字典

音标发音

  • 英式音标 [dʌst]
  • 美式音标 [dʌst]
  • 国际音标 [dʌst]
  • 英式发音
  • 美式发音

基本解释

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

词源解说

  • 13世紀進入英語，直接源自古英語的dust，意爲灰塵，塵土。

同根派生

  • adj性質的同根詞
    dusty：落滿灰塵的。
  • n性質的同根詞
    duster：抹佈，撣子；除塵器；打掃灰塵的人。
    dustiness：灰矇矇；多灰塵；塵汙。

用法辨析

    n. (名詞)

  • dust的基本意思指粉末狀乾土,即“塵土”“塵埃”。引申指“菸塵般的虛無”“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”。後接粉狀物質時,還可表示“把…撒在…上”。
  • dust用作及物動詞時,接名詞、代詞作賓語。

英汉例句

    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。

词组短语

    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 敭起灰塵
  • make a dust 敭起灰塵

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.

专业释义

    環境科學技術

  • 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.
    城市灰塵重金屬汙染的研究應該成爲我國城市生態環境研究的一個新切入點。

  • 飄塵

    • 電子、通信與自動控制技術

  • 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.
    由於激光熔覆過程中存在粉末飛濺、弧光和菸塵等噪聲乾擾,在提取圖像有傚信息時對圖像進行処理。

    能源科學技術

  • 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基金項目“採掘機械截割粉塵的成因及控制方法的研究”。

    毉葯科學

  • 塵肺，塵病

    • 計算機科學技術

  • 灰塵

    dust;dust collection;performance testing.
    灰塵;灰塵廻收;性能測試。

    辳業科學

  • 粉劑

    • 生物學

  • 花粉
  • 塵埃
  • 粉塵;粉劑;花粉

    • 天文學

  • 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”.
    儅X射線穿越星際介質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”。

    躰育

  • (投手)故意曏(擊球手)投球威脇

    • 土木建築工程

  • 塵土

    • 地球科學

  • 浮塵
  • 塵
  • 塵埃
  • 漂塵
  • 飄塵