touch·downBrE/ˈtʌtʃdaʊn/NAmE/ˈtʌtʃdaʊn/noun[C, U]themomentwhenaplaneorspacecraftlands(飞机或航天器的)着陆,降落,接地SYNlanding[C](inrugby橄榄球) anactofscoringpointsbyputtingtheballdownontheareaofgroundbehindtheotherteam'sgoal line(在对方球门线后)持球触地;达阵[C](inAmerican football美式足球) anactofscoringpointsbycrossingtheotherteam'sgoal line while carrying the ball, or receiving the ball when you are over the other team's goal line达阵(持球越过对方球门线或在对方球门线后接球)