unimpeded /ˌʌnɪmˈpiːdəd/ adjective Learner's definition of UNIMPEDED
: not slowed, delayed, or blocked无阻挡的；未被延迟的；未受妨碍的 -
an unimpeded view of the ocean一览无余的海景
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They had unimpeded access to the archives.他们可以随时调阅档案。
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He crossed the border unimpeded (by police).他顺利地通过了边境（没有遭到警方拦截）。