touch down
phrasal verbtouch down
(of a plane, spacecraft, etc. 飛機、航天器等 to make contact with the ground as it lands 着陸；降落 The helicopter touched down on the helipad. 直升機降落在直升機停機坪上。
- (of a tornado)
to make contact with the ground 着陸；降落 (in rugby 橄欖球 to score a try by putting the ball on the ground behind the other team’s goal line （在對方球門線後）持球觸地得分；達陣