first

F 開頭單詞四級詞匯專八核心詞高考詞匯詞源字典

音標發(fā)音

英式音標 [?f??st]
美式音標 [?f??st]
國際音標 [f?:st]
英式發(fā)音
美式發(fā)音

基本解釋

det. 第一
num. 第一；第一個的；（列隊中）最前面的；最好的
adj. 最重要的，最優(yōu)秀的；以前從未發(fā)生過的；緊接著來到的；最有可能的；領先于所有其他人的；演唱（或演奏）高聲部的
adv. 首先；首次；（列舉時用）第一；寧可；以身體的某一部位在先
n. 空前的成就；（汽車、自行車的）第一檔；（英國大學學位）最高成績；（棒球）第一壘；（學院、學校的）一年級；（書的）第一版；（比賽中的）第一名；（英國）海軍大臣；優(yōu)等生
pron. 第一（個）；第一次
n. (First) （美）菲爾斯特（人名）

詞源解說

直接源自古英語的fyrst（fore的最高級），意為最初的，最前面的；最初源自原始日耳曼語的furisto（fur-和for-的最高級）。

同根派生

adv性質的同根詞
firstly：首先（主要用于列舉條目、論點時）；第一。

first相關詞

用法辨析

num. (數(shù)詞)

first作為序數(shù)詞用時,意為“第一(個、批),頭一〔幾〕個”,常和定冠詞連用。

adj. (形容詞)

first用作形容詞一般修飾單數(shù)名詞,修飾有few或數(shù)詞修飾的復數(shù)名詞時是把復數(shù)名詞看作一個整體。first與基數(shù)詞連用時,一般置于基數(shù)詞前,但first引起的固定詞組則應置于基數(shù)詞之后。
first作“一點也不”解時,常用于否定句中。

英漢例句

用作數(shù)詞 (num.)

I'm the first in our village to go to university.
我是我們村第一個上大學的。

用作副詞 (adv.)

First, let me deal with the most important difficulty.
首先,讓我來處理最為重要的問題。

用作形容詞 (adj.)

用作定語: ～+ n.

Do you know when the first artificial satellite of America was launched?
你知道美國的第一顆人造衛(wèi)星是什么時候發(fā)射的嗎?

用作表語: S+be+～

She is first in her class.
她是班上的第一名。

first更多例句

詞組短語

用作形容詞 (adj.)

～+名詞

first aid 急救;急救員;色警報;急救知識
first importance 頭等重要
first light 天剛亮時
first name 名字
first person [語]第一人稱

first更多詞組

英英字典

劍橋英英字典

(a person or thing) coming before all others in order, time, amount, quality, or importance
before all others in order, time, amount, quality, or importance
(THING/PERSON) the first person or thing to do or be something, or the first person or thing mentioned
(NEVER BEFORE) something that has never happened or been done before
(QUALIFICATION) the best possible undergraduate university degree you can get in the UK and some other countries
(VEHICLE) (in a vehicle) the gear used when starting to drive forward or when driving up a steep hill
(BASEBALL) →? first base

柯林斯英英字典

The first thing, person, event, or period of time is the one that happens or comes before all the others of the same kind.
First is also a pronoun.
When something happens or is done for the first time, it has never happened or been done before.
First is also an adverb.
The first thing, person, or place in a line is the one that is nearest to you or nearest to the front.
You use first to refer to the best or most important thing or person of a particular kind.
If you do something first, you do it before anyone else does, or before you do anything else.
You use first when you are talking about what happens in the early part of an event or experience, in contrast to what happens later.
First is also an ordinal.
In order to emphasize your determination not to do a particular thing, you can say that rather than do it, you would do something else first.
An event that is described as a first has never happened before and is important or exciting.
The first you hear of something or the first you know about it is the time when you first become aware of it.
You use first of all to introduce the first of a number of things that you want to say.
You use at first when you are talking about what happens in the early stages of an event or experience, or just after something else has happened, in contrast to what happens later.
If you say that someone or something comes first for a particular person, you mean they treat or consider that person or thing as more important than anything else.
If you learn or experience something at first hand, you experience it yourself or learn it directly rather than being told about it by other people.
If you say that you do not know the first thing about something, you are emphasizing that you know absolutely nothing about it.
If you put someone or something first, you treat or consider them as more important than anything else.
first and foremost&rarrsee foremost

專業(yè)釋義

藝術學

第一聲部的，最高音(部)的；唱(或演奏)高音(部)的；領唱的，主奏的
(合唱或合奏的)第一聲部，最高音部；領唱者；主奏的(弦)樂器

機械工程

(汽車等的)頭檔；低檔齒輪
頭檔的；低速齒輪的

體育

第一壘

商業(yè)

(商品)一等品，上等品，上品

能源科學技術

第一

計算機科學技術

第一
首先

交通運輸工程

第一