Question

envelope n.信封，封皮;壳层，外壳;包裹物;[生物学]膜，包袋; pl:envelopes~

Accepted Answer

英[ˈenvələʊp]  美[ˈenvəloʊp] 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：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。例：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。

单词	envelope
音标	英[ˈenvələʊp] 美[ˈenvəloʊp]
解释	n.信封，封皮;壳层，外壳;包裹物;[生物学]膜，包袋;
例句	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：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。例：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。
变形	pl:envelopes~

Envelope Pushes 英[ˈenvələʊp 美[ˈenvəloʊp N.信封，封皮;壳层，外壳;包裹物;[生物学]膜，包袋 N Count 信封 Rectangular