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impregnable

US [ɪmˈpreɡnəb(ə)l]
UK [ɪm'preɡnəb(ə)l]
  • adj.坚不可摧的;牢不可破的;不可战胜的;难以改变的
  • Web攻不破的;可浸透的;坚固的
impregnable
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adj.
1.
坚不可摧的;牢不可破的animpregnable building is so strongly built that it cannot be entered by force
an impregnable fortress
坚不可摧的要塞
2.
不可战胜的;难以改变的strong and impossible to defeat or change
The team built up an impregnable 5–1 lead.
这个队以 5:1 的绝对优势领先。

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Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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