Such a move is rare, but not unprecedented.(这样的举动少见,但并非从来没有过。)
From 1641 to 1643, there had been an unprecedented explosion of printing and publishing in England.(从1641年到1643年,英格兰出现了空前的印刷出版狂潮。)
The ceremony was disrupted by unprecedented heckling and slogan-chanting.(典礼因前所未有的起哄和口号声而中断。)
The mission has been hailed as an unprecedented success.(这次使命已被宣布为一次空前的成功。)
But they are not unprecedented.(但这也不是史无前例。)
This achievement is surely unprecedented.(这成就确实是空前的。)
According to Kerber, motherhood became pivotal to the fate of the republic, providing justification for an unprecedented attention to female education.(根据Kerber的说法,母性成为了共和国命运的关键,这为前所未有的女性教育关注提供了辩护。)
After the fragments' entry, these analyses revealed unprecedented traces of sulfur.(在碎片进入之后,这些分析揭示了前所未有的硫磺痕迹。)
A flood of this sort is really unprecedented.(这样大的洪水真是十年九不遇。)