| 单词 | unsolved puzzle |
| 释义 | unsolved puzzle But when and how these arthropods first made that crucial transition from water to land remains an unsolved puzzle. Retrieved from Wikipedia CC BY-SA 3.0 In science, causes for this phenomenon have been proposed but never confirmed, making the reasons for this behaviour an unsolved puzzle. Retrieved from Wikipedia CC BY-SA 3.0 Few linguists have allowed their sheer enjoyment of language - its surprises, its unsolved puzzles, its extraordinary patterns - to be so evident in their writing. The Times Literary Supplement Players can visit certain areas in order to play undiscovered or unsolved puzzles that are left behind as the story progresses. Retrieved from Wikipedia CC BY-SA 3.0 |
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英语词典包含147115条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。