impervious

impervious
[ɪmˈpəːvɪəs]
adjective
  1. not allowing fluid to pass through
    不能渗透的,透不过的
    an impervious layer of basaltic clay.
    一层不渗透的玄武岩粘土。
    ■[predic.](impervious to)unable to be affected by
    不受影响的
    he worked, apparently impervious to the heat.
    他干着活,似乎不受炎热的影响。
派生
imperviously
adverb
imperviousness
noun
语源
  1. mid 17th cent.: from Latin impervius (from in- 'not' + pervius 'pervious') + -ous
英语宝典
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