2ADJ-GRADED [usually ADJ n](质量、数量、规模)很高的,很大的 If you describe something as unprecedented, you are emphasizing that it is very great in quality, amount, or scale. (质量、数量、规模)很高的,很大的 [emphasis]
Each home boasts an unprecedented level of quality throughout.
每家的质量都堪称一流。
The scheme has been hailed as an unprecedented success.
VERBS | ADVERBVERBS➤be以前沒有ADVERB➤entirely, quite, totally, truly前所未有;完全空前▸➤by no means, hardly絕非空前▸➤almost, virtually幾乎是空前的;實際上是全新的▸➤historically史無前例的◇a historically unprecedented growth in retirement at a fixed age在固定退休年齡退休的人數空前增長