subterranean

subterranean
[ˌsʌbtəˈreɪnɪən]
adjective
  1. existing, occurring, or done under the earth's surface
    存在于地面下的;地底下发生的;在地下进行的
    ■secret; concealed
    秘密的;隐藏的
    the subterranean world of the behind-the-scenes television power brokers.
    幕后电视权力经纪人的隐秘世界。
派生
subterraneously
adverb
语源
  1. early 17th cent.: from Latin subterraneus (from sub- 'below' + terra 'earth') + -an
英语宝典
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