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envelope

听听怎么读
英 [ˈenvələʊp]
美 [ˈenvəloʊp]
是什么意思
  • n.

    信封,封皮;壳层,外壳;包裹物;[生物学]膜,包袋

  • 变形

    复数:envelopes

    双语释义

    n.(名词)
    1. [C]信封 paper cover for a letter

    英英释义

    envelope[ 'envələup ]

    • n.
      • a flat rectangular paper container for papers
      • 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

        "test pilots try to push the envelope"

      • the bag containing the gas in a balloon

        同义词:gasbag

    学习怎么用

    词汇搭配

    用作名词 (n.)
    动词+~
    • address an envelope在信封上写地址
    • fold an envelope将信封折起来
    • open an envelope拆开信封
    • stamp the envelope把邮戳印盖在信封上
    • tear an envelope open把信封撕开
    形容词+~
    • self-addressed envelope写明姓名和地址的回信信封
    名词+~
    • airmail envelope航空信封
    • pay envelope工资袋
    • window envelope开窗信封
    介词+~
    • a packet of envelope一叠信封
    • on the envelope信封上

    词组短语

    flight envelope飞行包线

    nuclear envelope核膜;核被膜

    envelope curve包络曲线;包迹

    failure envelope断裂点轨迹;破坏包络线

    push the envelope挑战极限;接近甚至超越安全限度;越过底线

    glass envelope玻璃封装;玻壳

    更多收起词组短语

    双语例句

    用作名词(n.)
    1. There are several enclosures in the envelope.
      信封内装有几份附件。
    2. I use a prepaid envelope.
      我用了一个邮资已付的信封。
    3. He glued a stamp onto the envelope.
      他把邮票贴在信封上。
    4. The surface of the sun is a glowing gas envelope.
      太阳的表面是一层炽热的气体层。
    5. The papers are enveloped by plastic bag.
      论文用塑料纸包封好了。

    权威例句

    The HIV-1 envelope glycoproteins: fusogens, antigens, and immunogens
    Superlattice band structure in the envelope-function approximation
    Rational Design of Envelope Identifies Broadly Neutralizing Human Monoclonal Antibodies to HIV-1
    INFECTIOUS HEPACIVIRUS PSEUDO-PARTICLES CONTAINING FUNCTIONAL E1, E2 ENVELOPE PROTEINS
    Infectious hepacivirus pseudo-particles containing functional e1, e2 envelope proteins
    Infectious Hepatitis C Virus Pseudo-particles Containing Functional E1–E2 Envelope Protein Complexes
    Surface proteins of gram-positive bacteria and mechanisms of their targeting to the cell wall envelope
    Predicting the Impacts of Climate Change on the Distribution of Species: Are Bioclimate Envelope Models Useful?
    American pikas inhabit low-elevation sites outside the species' previously described bioclimatic envelope.
    Pearson, R. G. & Dawson, T. P. Predicting the impacts of climate change on the distribution of species: are bioclimate envelope mode...