| 单词 | envelope |
| 释义 | envelope 4 ENTRIES FOUND: plural envelopes plural envelopes Learner's definition of ENVELOPE [count] push the envelope : to go beyond the usual or normal limits by doing something new, dangerous, etc.突破极限；挑战极限
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。