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扩张
kuò​zhāng HSK7

expansion

Definitions Defs Origin Strokes Stroke Words Sentences Sents
  • 海底扩张 hǎi​dǐ​kuò​zhāng seafloor spreading
    seafloor spreading (geology)
  • 海底扩张说 hǎi​dǐ​kuò​zhāng​shuō seafloor spreading theory
    theory of seafloor spreading in geology