挑战极限的英文怎么说
挑战极限的英文：push the envelope
参考例句：
[*]You should challenge the limit and exceed yourself.
你应该挑战极限，超越自我。push是什么意思：
v. 推；催促；逼迫；推进；推行；扩展，扩大；增加
n. 推，推动；奋进，努力
[*]That is pushing it.
那是在推动它。[*]Push is informal and is used for the selling of illegal drugs push
是口语用词,指出售违禁毒品[*]The sprouts have pushed up the earth.
嫩芽把土顶起来了。 [*]rush up; push up
催促 [*]A forceful shove or push.
猛推有力的推或挤 envelope是什么意思：
n. 信封，封皮；外壳
[*]envelope airship
飞船蒙皮 [*]rupture envelope
破裂包络线 [*]adiabatic envelope
绝热包络线 [*]This is a buff envelope.
这是张牛皮纸信封。[*]Show me the airship envelope.
给我看看飞艇气囊。
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