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单词 unprecedented
释义
J44416324unprecedentedSpoken.1271Fiction.210Magazine.1434Newspaper.1721Academic.1688

unprecedented

/ˌʌnˈpresɪdəntɪd/
adjective
never done or known before
无先例的; 前所未闻的:

the government took the unprecedented step of releasing confidential correspondence.

政府采取了公开机密通信这一史无前例的措施。

派生词

unprecedentedly

adverb
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更新时间:2025/8/12 4:03:44