单词	chin-up
释义	chin-up noun ˈchin-(ˌ)əp  plural chin-ups : an exercise in which one hangs by the hands from a support (such as a horizontal bar) and pulls oneself up until the chin is level with the support specifically : such an exercise done with the palms facing inward compare pull-up Word History First Known Use 1918, in the meaning defined above
随便看	M electron M level ciao ciaos Ciardi cias cibachromes Cibacron cibaria cibarial cibarian cibarium cibation Cibber Cibecue cibecues cibol Cibolan cibolero cibols Ciboney ciboneyes ciboneys ciboria ciborium

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