| 词汇 | 空前未有 |
| 释义 | 空前未有空前未有[kōng qián wèi yǒu]1.■be unprecedented; without parallel; It has never been known before...:我们必须利用一切条件， 以空前未有的速度发展我国国民经济。We must turn everything to account in order to develop our national economy at a rate never known before in our history. |
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