envelopes单词基本解析：

n.信封( envelope的名词复数 )

n.信封( envelope的名词复数 )；

envelopes变化用词：

envelopes英英释义：

envelopen.a flat rectangular paper container for papersany wrapper or coveringa curve that is tangent to each of a family of curvesa natural covering (as by a fluid)

"the spacecraft detected an envelope of gas around the comet"

the maximum operating capability of a system

"test pilots try to push the envelope"

the bag containing the gas in a balloon

同义词：gasbag

envelopes中文词源：

envelopes用法和例句：

envelopes

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