| 单词 | unprecedented |
| 释义 | un·pre·ced·ent·edAW BrE /ʌnˈpresɪdentɪd/ NAmE /ʌnˈpresɪdentɪd/ adjective that has never happened , been done or been known before 前所未有的；空前的；没有先例的◆ The situation is unprecedented in modern times . 这种情况在现代还没有出现过。▸ un·pre·ced·ent·ed·lyBrE /ʌnˈpresɪdentɪdli/ NAmE /ʌnˈpresɪdentɪdli/ adverb ◆ a period of unprecedentedly high food prices 食物空前昂贵的时期 |
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