第三人稱(chēng)復數：envelopes
envelope基本解釋
名詞信封，封皮; 殼層，外殼; 包裹物; [生物學(xué)]膜，包袋
envelope是什么意思
envelope相關(guān)例句
名詞
1. Mother addressed the envelope.
母親在信封上寫(xiě)姓名地址。
envelope網(wǎng)絡(luò )解釋
1. 包膜：后發(fā)現該病毒也可存在于其他疾病,故稱(chēng)為EB病毒(Epsteinbarr virus,EBV),EB病毒屬皰疹病毒科,又稱(chēng)人皰疹病毒4型(HHV-4),為雙鏈DNA病毒,完整的病毒顆粒由類(lèi)核(nucleoid),膜殼(capsid),殼微粒(capsomere),包膜(envelope)所組成,類(lèi)核含有病毒DNA;
2. 外殼：漢他病毒屬RNA型病毒,病毒呈圓形或卵圓形(如圖一),直徑約80-115(95)nm,核外被含有脂質(zhì)之外殼(envelope)所包圍,外殼表面有突起,病毒在細胞質(zhì)內增殖時(shí)可產(chǎn)生大量之特殊包涵體.
3. envelope：env; 發(fā)現被膜抗原
envelope詞典解釋
1. 信封
An envelope is the rectangular paper cover in which you send a letter to someone through the post.
envelope的意思
2. 挑戰限制尺度；突破原有底線(xiàn)
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.
e.g. 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時(shí)尚和設計受到人們的重視。
e.g. No cinema director had a more profound effect in pushing the envelope of acceptable family entertainment.
在挑戰家庭娛樂(lè )片的接受程度方面，沒(méi)有哪個(gè)電影導演比他的影響更深遠。
envelope英英釋義
envelope
noun
1. any wrapper or covering
2. a flat (usually rectangular) container for a letter, thin package, etc.
3. the bag containing the gas in a balloon
Synonym: gasbag
4. the maximum operating capability of a system (especially an aircraft)
e.g. test pilots try to push the envelope
5. a natural covering (as by a fluid)
e.g. the spacecraft detected an envelope of gas around the comet
6. a curve that is tangent to each of a family of curves