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#128,269
Pitch accent
Meaning
  1. reciprocal relationship; mutually beneficial relations; relationship with benefits to both parties
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#392,701
Pitch accent
しゅ
Meaning
  1. 1
    JMdict
    reciprocal altruism
  2. 2
    Wikipedia
    EN In evolutionary biology, reciprocal altruism is a behaviour whereby an organism acts in a manner that temporarily reduces its fitness while increasing anothe...
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