短语词组短语half -back 前卫;半后场Half -back lining 后背半夹里Right half -back 右前锋;右前卫left half full back 左后卫HALF ACROSS BACK 后背宽之半half circle back 摇杆自下向后摇半圆centre half -back 中前卫;中半后卫;中前锋Half Roll Back 半程背部卷动center half -back 中坚 返回 half back