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Sleet + [verb]
sleet 作名词时通常不加不定冠词，指雨夹雪这一天气现象。
Sleet covered the ground.
雨夹雪覆盖了地面。
雨夹雪
先理解核心含义，再看它在真实句子里的用法。
雨夹雪
partially melted snow or a mixture of rain and snow
Sleet covered the ground.
雨夹雪覆盖了地面。
迫击炮药室从膛室延伸到耳轴的部分。
The part of a mortar extending from the chamber to the trunnions.
部分融化的雪(或雨雪混合物)
partially melted snow (or a mixture of rain and snow)
The forecast calls for sleet tonight, so I decided to stay home.
天气预报说今晚有雨夹雪，所以我决定待在家里。
It began to sleet on our way home, and we quickly took shelter.
我们回家的路上开始下雨夹雪，于是赶紧躲雨。
Sleet made the streets so slippery that the bus had to slow down.
雨夹雪让街道很滑，公交车不得不减速慢行。
sleet 作名词时通常不加不定冠词，指雨夹雪这一天气现象。
Sleet covered the ground.
雨夹雪覆盖了地面。
作动词时主语用 it，用法类似 it rains 或 it snows。
It is sleeting outside.
外面正在下雨夹雪。
Not this
The sky is sleeting.
Use this
It is sleeting.
英语表示天气的动词（sleet、rain、snow 等）要用形式主语 it；中文“天在下雨夹雪”里的“天”不能直译成英文主语 the sky。it 指代天气状况，所以应说 It is sleeting。
Not this
It sleets now.
Use this
It is sleeting now.
sleet 作动词表示“正在下雨夹雪”这一持续中的天气过程时，要用现在进行时 is sleeting；一般现在时 sleets 只用于表示习惯性或规律性的天气，不能描述现在这一刻正在发生的现象。
Not this
There is sleeting outside.
Use this
It is sleeting outside.
There is 后面要接名词短语，不能接动词的 -ing 形式。描述“外面正在下雨夹雪”是天气事件，要用无人称主语 it 加进行时：It is sleeting outside。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
雨夹雪风暴
The sleet storm made the roads treacherous.
雨夹雪风暴使道路十分危险。
阵性雨夹雪
Sleet showers are expected later in the afternoon.
预计下午晚些时候将有阵性雨夹雪。
猛烈的雨夹雪
We walked home through driving sleet.
我们在猛烈的雨夹雪中走回家。
雨夹雪累积量
The forecast predicts up to two inches of sleet accumulation.
天气预报预测雨夹雪累积量将达两英寸。
雨夹雪和雪
The weather report mentioned sleet and snow for the weekend.
天气预报提到周末有雨夹雪和雪。
猛下雨夹雪
It sleeted heavily all night, covering the yard in ice.
整晚都在猛下雨夹雪，院子里结了冰。
发长 /iː/ 音 (如 see, free)
Use sleet naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：sleet 里的 s 像小雪花，ee 像两条雨丝，雨雪交加就是“雨夹雪”。
语域：neutral 常见场景：weather forecasts、daily conversation、news reports sleet 作名词和动词均为中性表达，多用于天气预报、日常对话或新闻中。动词常以 it 作主语（如 it is sleeting），正式与非正式场合皆可使用。
这些词与 sleet 押韵（长元音 /iːt/）：fleet (/fliːt/)、street (/striːt/)、sweet (/swiːt/)、meet (/miːt/)、seat (/siːt/)。注意拼写相似的 slit (/slɪt/) 发短元音 /ɪ/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.