1
a layer/speck of dust
A speck of dust got into my eye.
一粒灰尘掉进了我的眼睛。
灰尘；尘土
先理解核心含义，再看它在真实句子里的用法。
灰尘；尘土
fine dry particles, such as dirt or pollen, floating in the air or lying on surfaces
A speck of dust got into my eye.
一粒灰尘掉进了我的眼睛。
细小的颗粒。
Fine particles.
细粉状物质,如干土或花粉,可在空气中飘散
fine powdery material such as dry earth or pollen that can be blown about in the air
除尘的动作。
The act of cleaning by dusting.
被毁或破碎物的残余
the remains of something that has been destroyed or broken up
A thick layer of dust covered the old books on the shelf.
书架上旧书覆盖着一层厚厚的灰尘。
AI contextual example
The wind blew dust into my eyes.
风把灰尘吹进了我的眼睛。
AI contextual example
She wiped the dust off the table with a cloth.
她用布擦掉了桌子上的灰尘。
AI contextual example
the furniture was covered with dust
家具上覆盖着一层灰尘。
WordNet
A speck of dust got into my eye.
一粒灰尘掉进了我的眼睛。
The car was covered in dust after the long drive.
长途驾驶后，车上覆盖了一层灰尘。
dust 作为不可数名词，谓语动词用第三人称单数。
Dust settled on every surface in the abandoned house.
废弃房屋的每个表面都落满了灰尘。
Not this
There are many dusts on the table.
Use this
There is a lot of dust on the table.
英语中 'dust' 作为不可数名词，没有复数形式 'dusts'，作主语时谓语动词要用单数，并用量词 'a lot of' 等表示数量。
Not this
He dust the table yesterday.
Use this
He dusted the table yesterday.
动词 'dust' 的过去式是规则变化加 -ed，即 'dusted'，不能保留原形 'dust'，因为过去时间需要使用过去时态。
Not this
The room is very dust.
Use this
The room is very dusty.
'dust' 是名词，不可直接作表语修饰主语；需改为形容词 'dusty'（布满灰尘的）才能描述状态。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
灰尘颗粒
Microscopic dust particles can cause allergies.
微小的灰尘颗粒会引起过敏。
沙尘暴
A huge dust storm swept across the desert.
一场巨大的沙尘暴席卷了沙漠。
尘螨
Dust mites live in bedding and carpets.
尘螨生活在床上用品和地毯中。
尘团
There were dust bunnies under the bed.
床底下有尘团。
积尘
Old books often gather dust on the shelf.
旧书常常在书架上积尘。
落尘
After the renovation, it took days for the dust to settle.
装修后，灰尘用了好几天才落定。
失败；死去
Another company has bitten the dust in the tech industry.
又一家公司在科技行业倒闭了。
重新使用；擦去灰尘
I need to dust off my guitar and practice again.
我需要重新拿起吉他练习。
尘埃落定；事情平息后
We'll discuss the next steps when the dust settles.
等事情平息后，我们再讨论下一步。
风中之尘，我们不过是风中之尘。
When I hear the song 'Dust in the Wind', I think about the fleeting nature of life.
当我听到《风中之尘》这首歌时，我想到生命的短暂。
尘归尘，土归土。
The funeral service ended with the words 'Ashes to ashes, dust to dust'.
葬礼以'尘归尘，土归土'这句话结束。
Use dust naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将dust拆成'du都'+'st是特'，联想'都是特小的颗粒'，记住名词'灰尘'的含义。
通常为中性语体，适用于日常家居清洁、建筑工地、农业等多类场景，非常常见。
通常作不可数名词；复数形式dusts表示多种灰尘或粉末。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.