backpitch翻譯，backpitch的意思，backpitch同義詞，backpitch的反義詞，backpitch短語詞匯

詞語：backpitch

backpitch的解釋

backpitchn. 背節距；反螺旋

backpitch的意思

backpitch 背節距;反螺旋;反螺旋 背節距;後節距 背景距;