first

音标发音

• 英式音标 [ˈfɜːst]
• 美式音标 [ˈfɝːst]
• 国际音标 [fə:st]
• 英式发音
• 美式发音

基本解释

• det. 第一
• num. 第一；第一个的；（列队中）最前面的；最好的
• adj. 最重要的，最优秀的；以前从未发生过的；紧接着来到的；最有可能的；领先于所有其他人的；演唱（或演奏）高声部的
• adv. 首先；首次；（列举时用）第一；宁可；以身体的某一部位在先
• n. 空前的成就；（汽车、自行车的）第一档；（英国大学学位）最高成绩；（棒球）第一垒；（学院、学校的）一年级；（书的）第一版；（比赛中的）第一名；（英国）海军大臣；优等生
• pron. 第一（个）；第一次
• n. (First) （美）菲尔斯特（人名）

词源解说

• 直接源自古英语的fyrst（fore的最高级），意为最初的，最前面的；最初源自原始日耳曼语的furisto（fur-和for-的最高级）。

同根派生

• adv性质的同根词

  firstly：首先（主要用于列举条目、论点时）；第一。

• first相关词

用法辨析

num. (数词)

• first作为序数词用时,意为“第一(个、批),头一〔几〕个”,常和定冠词连用。

adj. (形容词)

• first用作形容词一般修饰单数名词,修饰有few或数词修饰的复数名词时是把复数名词看作一个整体。first与基数词连用时,一般置于基数词前,但first引起的固定词组则应置于基数词之后。
• first作“一点也不”解时,常用于否定句中。

• first使用方法
• first详细辨析

英汉例句

用作数词 (num.)

• I'm the first in our village to go to university.
  我是我们村第一个上大学的。

用作副词 (adv.)

• First, let me deal with the most important difficulty.
  首先,让我来处理最为重要的问题。

用作形容词 (adj.)

用作定语: ～+ n.

• Do you know when the first artificial satellite of America was launched?
  你知道美国的第一颗人造卫星是什么时候发射的吗?

用作表语: S+be+～

• She is first in her class.
  她是班上的第一名。

• first更多例句

词组短语

用作形容词 (adj.)

～+名词

• first aid 急救;急救员;色警报;急救知识
• first importance 头等重要
• first light 天刚亮时
• first name 名字
• first person [语]第一人称

• first更多词组

英英字典

剑桥英英字典

• (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剑桥字典
• first柯林斯字典

专业释义

艺术学

• 第一声部的，最高音(部)的；唱(或演奏)高音(部)的；领唱的，主奏的
• (合唱或合奏的)第一声部，最高音部；领唱者；主奏的(弦)乐器

机械工程

• (汽车等的)头档；低档齿轮
• 头档的；低速齿轮的

体育

• 第一垒

商业

• (商品)一等品，上等品，上品

能源科学技术

• 第一

计算机科学技术

• 第一
• 首先

交通运输工程

• 第一