短语词组短语touchdown velocity 接地速度touchdown stability 着陆安定性;着陆稳定性downwind touchdown 顺风接地Touchdown Jacksonville 杰克逊维尔美洲虎touchdown technique 地技术touchdown Jesus 达阵耶稣图片TouchDown Fever 美式橄榄球;狂热橄榄球touchdown zone 着陆区;接地区 返回 touchdown