envelopes是什么意思 envelopes怎么读
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英 ['envələʊps]
英 ['envələʊps]
美 ['envələʊps]
美 ['envələʊps]
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envelopes的英文翻译是什么意思，词典释义与在线翻译
名词 envelope:- a flat (usually rectangular) container for a letter, thin package, etc.
- any wrapper or covering
- a curve that is tangent to each of a family of curves
- a natural covering (as by a fluid)
- the maximum operating capability of a system (especially an aircraft)
- the bag containing the gas in a balloon
动词 envelop:- enclose or enfold completely with or as if with a covering
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