het·er·o·sis /ˌhɛtəˈrosəs/
  異配優勢
  het·er·o·sis /ˌhɛtəˈrosəs/ 名詞
  雜種優勢
  Het·e·ro·sis n.  Rhet. A figure of speech by which one form of a noun, verb, or pronoun, and the like, is used for another, as in the sentence: “What is life to such as me?”
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