| 释义 |
en·ve·lope AHD[ĕnʹvə-lōp', ŏnʹ-] D.J.[ˈenvəˌləʊp, ˈɒn-]K.K.[ˈɛnvəˌlop, ˈɑn-]n.（名词）- A flat, folded paper container, especially for a letter.信封：扁平，装折叠纸的容器，尤其用来装信
- Something that envelops; a wrapping.包裹物；封皮
- Biology An enclosing structure or cover, such as a membrane or the outer coat of a virus.【生物学】 膜，包袋：包裹性的结构或包皮，如膜或病毒的外壳
- The bag containing the gas in a balloon or an airship.气囊：气球或飞艇上容纳气体的袋装物
- The set of limitations within which a technological system, especially an aircraft, can perform safely and effectively.极限数据：技术系统，尤其是飞机，能够安全有效运转的一系列界限
- The coma of a comet.彗星的彗发
- Mathematics A curve or surface that is tangent to every one of a family of curves or surfaces.【数学】 包络线，包络面：一条曲线或一个曲面，与一组曲线或曲面中的每一曲线或曲面保持正切
push the envelope - To increase the operating capabilities of a technological system.增强技术系统的运转能力
- French enveloppe 法语 enveloppe
- from envelopper [to envelop] 源自 envelopper [包住]
- from Old French envoloper * see envelop 源自 古法语 envoloper * 参见 envelop
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