| 释义 |
touch·down AHD[tŭchʹdoun'] D.J.[ˈtʌtʃˌdaʊn]K.K.[ˈtʌtʃˌdaʊn]n.（名词）- Abbr. TD,tdFootball An act of carrying, receiving, or gaining possession of the ball across the opponent's goal line for a score of six points.缩写 TD,td【橄榄球】 攻方持球触地：越过对方球门线的持球、接球或获得对球的控制的行为，可得到六分
- The contact, or moment of contact, of a landing aircraft or spacecraft with the landing surface.触地、触地时刻：着陆的飞机或太空飞行器与着陆平面的接触或接触的时刻
- [From the earlier practice of touching the ball to the ground behind the goal line] [来自于在球门线后以球触地的早期实际]
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