touchdown
/ˈtʌtʃdaʊn/noun
1
- the moment at which an aircraft's wheels or part of a spacecraft make contact with the ground during landing（飞机、宇宙飞船着陆过程中的）触地时刻：
two hours until touchdown.
触地前的两个小时。
2
- Rugby an act of touching the ground with the ball behind the opponents' goal line, scoring a try【英橄】触地得分
2.1
- American Football a six-point score made by carrying or passing the ball into the end zone of the opposing side【美橄】（攻入对方端区）触地6分球。