envelope
英 [ˈenvələʊp] 美 [ˈenvəloʊp]

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

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...