touchdown
词典结果：
touchdown[英][?t?t?da?n][美][?t?t?da?n]
n.触地得分; <空>着陆，降落;
复数：touchdowns
以上结果来自金山词霸
例句:
1.
Flight controllers anticipate clear and calm conditions for touchdown, slated to occur in the martian late afternoon.
飞行控制器需要可见度高、稳定的着陆环境，登陆预定于火星时间傍晚时分进行。
2.
However, the landing itself is no problem, and the stall speed of 69 knots means its touchdown speeds are similar to those of many aircraft with much slower top speeds.
然而，它的着陆并不成问题，每小时69海里的失速意味着，其着陆速度类似于许多最高飞行速度远低于它的飞机。
3.
Mars science lab team members were jubilant as they learned the rover's parachute had deployed, its rocket thrusters had ignited, and its skycrane had activated for a flawless touchdown.
火星科学实验小组的成员们得知漫游者的降落伞打开，火箭推进器点燃了，并自动完美着陆后，一片欢呼。