dust
音標(biāo)發(fā)音
- 英式音標(biāo) [d?st]
- 美式音標(biāo) [d?st]
- 國(guó)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(shuō)
- 13世紀(jì)進(jìn)入英語(yǔ)，直接源自古英語(yǔ)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。
用法辨析
- 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(wú)”“塵土般的卑賤”“塵垢般的屈辱”。
- dust用作動(dòng)詞意思是“撣去灰塵”。后接粉狀物質(zhì)時(shí),還可表示“把…撒在…上”。
- dust用作及物動(dòng)詞時(shí),接名詞、代詞作賓語(yǔ)。
n. (名詞)
v. (動(dòng)詞)
英漢例句
- What a dust!
好大的塵灰啊! - She dusts every day.
她每天都擦拭灰塵。 - Dust your hat.
拂去你帽子上的灰塵。
用作名詞 (n.)
用作動(dòng)詞 (v.)
用作不及物動(dòng)詞: S+～(+A)
用作及物動(dòng)詞: S+～+ n./pron.
詞組短語(yǔ)
- 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
用作名詞 (n.)
動(dòng)詞+～
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
- 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.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 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(guó)城市生態(tài)環(huán)境研究的一個(gè)新切入點(diǎn)。 - 飄塵
- 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(guò)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(shí)對(duì)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(guó)家自然科學(xué)基金項(xiàng)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
- 灰塵
dust;dust collection;performance testing.
灰塵;灰塵回收;性能測(cè)試。農(nóng)業(yè)科學(xué)
- 粉劑
- 花粉
- 塵埃
- 粉塵;粉劑;花粉
- 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(shí)會(huì)被星際塵埃顆粒吸收和散射,散射角度較小的光子就會(huì)在原來(lái)的X射線周圍形成一個(gè)彌散的圖像,這就是“暈”。體育
- (投手)故意向(擊球手)投球威脅
- 塵土
- 浮塵
- 塵
- 塵埃
- 漂塵
- 飄塵