| 单词 | 有先例 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔historical〕There are no historical precedents for a President resigning in mid-term.总统于任职中期辞职在历史上没有先例。麦克米伦高阶〔precedent〕There is a strong precedent for such a strategy.有先例有力地说明这一战略可行。牛津搭配〔precedent〕There is no precedent for this.此事是没有先例的。 英汉大词典〔retroactively〕There are few precedents for this sort of retroactive legislation.这种有追溯力的法规鲜有先例。柯林斯高阶〔unheard-of〕Without precedent; unparalleled.没有先例的；空前未有的美国传统〔unprecedented〕Such a move is rare, but not unprecedented.这样的举动是罕见的, 但并非没有先例。外研社新世纪〔unprecedented〕Such a move is rare, but not unprecedented.这种做法很罕见，但也不是没有先例的。柯林斯高阶The President took the unusual/unprecedented/rare step of altering his prepared speech in order to condemn the terrorist attack.总统为了谴责恐怖主义的攻击行为更改了事先准备好的演说，这是不寻常的/没有先例的做法。剑桥国际 |
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