DUST是英语中的多义词，兼具名词和动词词性，发音为英 [dʌst]、美 [dʌst]。 作名词时指颗粒状物质（如灰尘、尘土），亦可用于姓氏；作动词时表示撒粉、除尘或物体破碎为粉末的动作。

Instead of casting a wistful glance backward at all the species we've left in the dust I.Q.-wise, it implicitly asks what the real costs of our own intelligence might be.

These china ornaments just collect dust. He hit the ground with his stick and a puff of dust rose up into the air. The truck went by in a swirl of dust. I blew the dust off the books. Erupting volcanoes …

Atmospheric or wind-borne fugitive dust, also known as aeolian dust, comes from dry regions where high-speed winds can remove mostly silt-sized material, abrading susceptible surfaces.

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 …

Oct 19, 2023 · Dust is heavy enough to see and light enough to be carried by the wind. Dust can be made up of pollen, bacteria, smoke, ash, salt crystals from the ocean, and small bits of dirt or rock, …

Jul 18, 2025 · Although it seems like a minor annoyance, dust plays a major role in the environment, health, and even weather. Understanding dust can help us improve indoor air quality, reduce …

Sep 11, 2023 · Dust is composed of tiny, dry particles of solid matter that can be found floating in the air and piled on surfaces. It contains a mixture of organic and inorganic materials, and its composition …

Aug 24, 2025 · Dust consists of tiny solid particles that accumulate on surfaces and suspend in the air. This pervasive substance is often noticed as a fine layer on furniture or as visible specks dancing in …

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