envelope是什么意思,envelope怎么读


envelope基本信息

读法:英 ["envələʊp; "ɒn-]

释义:

  • n. 信封,封皮;包膜;[天] 包层;包迹
  • 使用频率:★★

    星级词汇:★★★

    英英释义

    Noun:

  • a flat (usually rectangular) container for a letter, thin package, etc.
  • any wrapper or covering
  • a curve that is tangent to each of a family of curves
  • a natural covering (as by a fluid);"the spacecraft detected an envelope of gas around the comet"
  • the maximum operating capability of a system (especially an aircraft);"test pilots try to push the envelope"
  • the bag containing the gas in a balloon
  • www.WenTIYI.COM

    中英词源

    envelope 信封

    来自envelop,包围,围住。

    envelope
    envelope: [18] English borrowed envelope from French enveloppe in the sense ‘wrapper’, and more specifically ‘cover for a letter’, at the start of the 18th century. It was a derivative of the verb envelopper ‘wrap’, whose ancestor, envoloper, gave English envelop in the 14th century. As in the case of its first cousin develop, the origin of the verb remains a mystery.

    It is a compound formed from the prefix en- ‘in’ and voloper ‘wrap’, but the source of voloper has never been satisfactorily explained. It may come from a hypothetical Celtic base *vol- ‘roll’, but an equally good candidate is late Latin *faluppa ‘husk’, from which come Italian viluppo ‘bundle’ and viluppare ‘wrap’.

    => develop
    envelope (n.)
    "a wrapper, an enclosing cover," specifically a prepared wrapper for a letter or other paper, 1705, from French enveloppe (13c.), a back-formation from envelopper "to envelop" (see envelop).

    词态变化

    复数 envelopes;

    权威造句

    1. Return the enclosed Donation Form today in the prepaid envelope provided.
    请于今日将随函附上的捐款表格用所提供的邮资预付的信封寄回。

    来自柯林斯例句

    2. Under the newspaper, atop a sheet of paper, lay an envelope.
    在报纸下面的一张纸上放着一个信封。

    来自柯林斯例句

    3. The envelope has been tampered with and then taped shut again.
    信封被人动过手脚,然后又用胶带封上了。

    来自柯林斯例句

    4. Liz picked up the blue envelope and turned it over curiously.
    莉兹拿起蓝色信封,好奇地翻过来看。

    来自柯林斯例句

    5. He took a largish buff envelope from his pocket.
    他从口袋里掏出一个相当大的米色信封。

    来自柯林斯例句

    近反义词

  • covering 覆盖物
  • packet 小袋
  • cover 封面
  • wrapper (饺子)皮
  • wrapping 包装材料
  • blanket 毛毯
  • casing 套
  • shell 壳
  • album 唱片集
  • layer 层
  • gasbag 气囊
  • 相似短语

  • envelope feeder 信封送纸器
  • pay envelope 工资袋,工资
  • envelope antigen 细菌包被抗原,外膜抗原,封套抗原,包封抗原,包膜抗原,囊膜抗原
  • envelope curve 包络曲线
  • envelope modulation 包络调制
  • envelope principle 包络原理,包容原则
  • envelope velocity 群速度
  • fringe envelope 条纹包络
  • mode envelope 模包迹,模式轮廓,波模包迹
  • jet envelope 喷油柱外层
  • 单词分析

    暂无,等待补充.

    记忆方法

    envelope       信封       “寄个信封去安慰老婆”

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