基本解释仰臥起坐英汉例句權威例句He instructs runners to keep a straight upper body and a "crunch" going in their lower abdominal muscles.NPR: Chi Runners Poised for Softer Landingsabdominal crunch更多例句词组短语短語abdominal crunch board 多功能腹肌訓練器abdominal crunch更多词组英英字典柯林斯英英字典 &rarrsame as sit up abdominal crunch剑桥字典abdominal crunch柯林斯字典专业释义毉葯科學仰臥起坐