first

音標(biāo)發(fā)音

• 英式音標(biāo) [?f??st]
• 美式音標(biāo) [?f??st]
• 國(guó)際音標(biāo) [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(gè)的；（列隊(duì)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(guò)的；緊接著來(lái)到的；最有可能的；領(lǐng)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(shí)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(guó)大學(xué)學(xué)位）最高成績(jī)；（棒球）第一壘；（學(xué)院、學(xué)校的）一年級(jí)；（書的）第一版；（比賽中的）第一名；（英國(guó)）海軍大臣；優(yōu)等生
• pron. 第一（個(gè)）；第一次
• n. (First) （美）菲爾斯特（人名）

詞源解說(shuō)

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

同根派生

• adv性質(zhì)的同根詞

  firstly：首先（主要用于列舉條目、論點(diǎn)時(shí)）；第一。

• first相關(guān)詞

用法辨析

num. (數(shù)詞)

• first作為序數(shù)詞用時(shí),意為“第一(個(gè)、批),頭一〔幾〕個(gè)”,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(fù)數(shù)名詞時(shí)是把復(fù)數(shù)名詞看作一個(gè)整體。first與基數(shù)詞連用時(shí),一般置于基數(shù)詞前,但first引起的固定詞組則應(yīng)置于基數(shù)詞之后。
• first作“一點(diǎn)也不”解時(shí),常用于否定句中。

• first使用方法
• first詳細(xì)辨析

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(gè)上大學(xué)的。

用作副詞 (adv.)

• First, let me deal with the most important difficulty.
  首先,讓我來(lái)處理最為重要的問(wèn)題。

用作形容詞 (adj.)

用作定語(yǔ): ～+ n.

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

用作表語(yǔ): 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(yǔ)

用作形容詞 (adj.)

～+名詞

• first aid 急救;急救員;色警報(bào);急救知識(shí)
• first importance 頭等重要
• first light 天剛亮?xí)r
• first name 名字
• first person [語(yǔ)]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

• first劍橋字典
• first柯林斯字典

專業(yè)釋義

藝術(shù)學(xué)

• 第一聲部的，最高音(部)的；唱(或演奏)高音(部)的；領(lǐng)唱的，主奏的
• (合唱或合奏的)第一聲部，最高音部；領(lǐng)唱者；主奏的(弦)樂(lè)器

機(jī)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(xué)技術(shù)

• 第一

計(jì)算機(jī)科學(xué)技術(shù)

• 第一
• 首先

交通運(yùn)輸工程

• 第一