• 基础释义
  • 例句
  • 词组
  • 柯林斯词典释义
  • 英汉词典释义
  • 英英词典释义
  • 行业词典释义
例句
词组
  • the back of an envelope
    used to denote calculations or plans of the most sketchy kind 粗略的估算(或计划)
  • push the envelope (或 the edge of the envelope)
    (informal)approach or extend the limits of what is possible (非正式)几近极致
  • push the envelope
    To increase the operating capabilities of a technological system. 增强技术系统的运转能力
柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    信封
    An envelope is the rectangular paper cover in which you send a letter to someone through the post.
  • PHRASE
    挑战限制尺度;突破原有底线
    If someone pushes the envelope, they do something to a greater degree or in a more extreme way than it has ever been done before.
    例句
    There's a valuable place for fashion and design that pushes the envelope a bit... 在原有尺度上有所突破的时尚和设计受到人们的重视。 No cinema director had a more profound effect in pushing the envelope of acceptable family entertainment. 在挑战家庭娱乐片的接受程度方面,没有哪个电影导演比他的影响更深远。
英汉词典释义
  • n.
    信封
    Address an envelope and put the letter in it. 把地址写在信封上, 把信装进信封里。
英英词典释义
  • Noun
    1. a flat rectangular paper container for papers
    2. any wrapper or covering
    3. a curve that is tangent to each of a family of curves
    4. a natural covering (as by a fluid);
    "the spacecraft detected an envelope of gas around the comet"
    5. the maximum operating capability of a system;
    "test pilots try to push the envelope"
    6. the bag containing the gas in a balloon
行业词典
  • 医学: 包膜:包封结构或膜,病毒学中为围绕壳体的外衣,通常至少部分是由宿主细胞构成的。在细菌学中则兼指细胞壁与质膜;
    昆虫学: 发育膜;囊膜;被膜;外膜;
    生物学: 包膜;又称 :包膜(peplos );
    电力: 包络线;[curve];
    电子学: 包络;