短语词组短語touchdown velocity 接地速度touchdown stability 著陸安定性;著陸穩定性downwind touchdown 順風接地Touchdown Jacksonville 傑尅遜維爾美洲虎touchdown technique 地技術touchdown Jesus 達陣耶穌圖片TouchDown Fever 美式橄欖球;狂熱橄欖球touchdown zone 著陸區;接地區 返回 touchdown