| 单词 | unprecedented |
| 释义 | [/ʌnˈpresɪdentɪd; ʌnˋprɛsəˏdɛntɪd/] adj without precedent; never having happened, been done or been known before 无前例的; 前所未有的; 空前的: unprecedented levels of unemployment 失业率达到的前所未有的严重程度 * a situation unprecedented in the history of the school 该校自有校史以来未曾出现过的情况. |
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