底層
dǐ​céng HSK7

bottom layer

dǐ​céng bottom layer
  1. 底 dǐ nounlocative
    bottom
    The lowest part of an object or body of water; base; foundation
  2. 层 層 céng measure wordnoun
    [layer/floor]
    Used for things that are piled up or overlapping, such as floors of a building, coats of paint, or levels of meaning

dǐ​céng underclass · low-level
  1. 底 dǐ nounlocative
    bottom
    The lowest part of an object or body of water; base; foundation
  2. 层 層 céng noun
    level
    A stage, grade, or tier within a hierarchy, organization, or abstract structure