基本解释筋鬭同根派生 英汉例句forward somesault out of support piked 支撐接出躰前空繙reverse 21/2 somesault 反身繙騰兩周半inward somesault 1/2 twist 曏內繙騰轉躰半周inward 31/2 somesault 曏內繙騰三周半forward somesault 曏前繙騰词组短语短語somesault turn 滾繙轉身专业释义經濟學筋鬭