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envelopes的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
動詞 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
- enclose or enfold completely with or as if with a covering
之上內部獨特編創，受著作權保障，知識產權侵權必究
- 近期熱搜詞
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