understratum / ˈʌn dərˌstreɪ təm, -ˌstræt əm /

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understratum 的定义

n. 名词 noun

plural un·der·stra·ta [uhn-der-strey-tuh, -strat-uh], /ˈʌn dərˌstreɪ tə, -ˌstræt ə/, un·der·strat·ums.

  1. a substratum.

更多understratum例句

  1. Where the city is now built it is fine siliceous sand, supported by an understratum of clay, which is of varied colors.
  2. But there is an understratum of deep, calm sea, which the breath of the wildest tempest can never reach.