听声词典

launch

L 开头单词

音标发音

  • 英式音标 [lɔːntʃlɔ:ntʃ]
  • 美式音标 [lɔntʃ, lɑntʃ]
  • 国际音标 [lɔ:ntʃ, lɑ:ntʃ]
  • 英式发音
  • 美式发音

基本解释

  • v. 发射（导弹、火箭等）；发起，发动；使……下水；开始；起飞
  • n. 发射；发行，投放市场；下水；汽艇

词源解说

  • 1300年左右进入英语，直接源自古法国北方语的lancher，意为扔，抛；最初源自后期拉丁语的lanceare，意为挥动长矛。

词根记忆

  • 和lunch(n.午餐)一起记
  • 在午餐(lunch)会上推出(launch)新产品，真是不错的主意。
  • 边吃午餐(lunch)边谈论新产品的上市(launch)
  • 和lunch(n.中餐)一起记

同根派生

  • n性质的同根词
    launching：发射；下水；创设。
    launcher：发射器；发射台；发射者。
  • v性质的同根词
    launching：发射；发动；开始从事（launch的ing形式）。

用法辨析

    v. (动词)

  • launch用作及物动词时常作“使…下水”解,后面常接船、客轮、海轮等之类的名词,多用于被动结构。launch也可表示“发射”,后面常接飞船、卫星、火箭、导弹等之类的名词,这时多用于主动结构。
  • launch还可表示“发动”“猛射”“使开始”“开办”。
  • launch与副词out和介词into连用时,意思是“投身,着手,开始”。
  • launch sb in/into sth表示“使某人开始做某事”。He launched his son in/into business. 他使自己的儿子开始经商。
  • launch作名词表示“发射，（船）的下水”时，常作定语，如the launch of a space vehicle（航天器的发射）。

英汉例句

    用作动词 (v.)

    用作及物动词: S+～+ n./pron.

  • They launched a new passenger liner.
    他们定期使一艘新的客轮下水。

    • 用作名词 (n.)

  • I saw the launch of the rocket yesterday.
    我昨天看了火箭发射。

词组短语

    用作动词 (v.)

    ～+副词

  • launch auspiciously 吉利地开始
  • launch ceremoniously 隆重地出航
  • launch formally 形式上地开办
  • launch politically 政治上地发动
  • launch successfully 成功地发射

英英字典

    剑桥英英字典

  • (EVENT) an event to celebrate or introduce something new
  • (LEAVE LAND) an occasion when a ship is put into water, or a spacecraft is sent into space, for the first time
  • (BOAT) a boat that has an engine and carries passengers for short distances, especially on a lake or a river, or from the land to a larger boat
  • (BEGIN) to begin something such as a plan or introduce something new such as a product
  • (SEND) to send something out, such as a new ship into the water or a spacecraft into space

    • 柯林斯英英字典

  • To launch a rocket, missile, or satellite means to send it into the air or into space.
  • Launch is also a noun.
  • To launch a ship or a boat means to put it into water, often for the first time after it has been built.
  • Launch is also a noun.
  • To launch a large and important activity, for example, a military attack, means to start it.
  • Launch is also a noun.
  • If a company launches a new product, it makes it available to the public.
  • Launch is also a noun.
  • a motor driven boat used chiefly as a transport boat

专业释义

    经济学

  • 营销活动
  • 开办

    • 机械工程

  • 发射

    The launch and the guidance phase of the missile are established control models separately.
    在发射段和制导段分别建立了导弹的控制模型。

    计算机科学技术

  • 发射

    The launch of EOS-MODIS satellite provides another important source of information for agriculture.
    EOS-MODIS卫星的发射为农业遥感提供了又一个重要的信息源。

  • 开始(应用程序)
  • 发动

    • 航空、航天科学技术

  • 发射

    • 能源科学技术

  • 下水

    We should choose the representative numerical value from each factor and make different combination to analyse the result and compare them, and eventually we get the optimum launch process.
    在这一范围内选择有代表性的数值进行不同的组合，分析结果并进行比较，从而得出优化的驳船下水过程。

    电子、通信与自动控制技术

  • 发射