envelopes的中文翻译是什么意思

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.

• 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。