take-off point

基本解释

Until the helicopter is hovering over the take-off point.
直到直升机到达起飞点的上空。
The elevation distance between the take-off point and the bottom of the valley is 300-400 meters averagely, 700 meter the highest.
这些起跳点距离山下谷底的高差，一般在300 -400 米之间，高差最大处可达700 米以上。
Move the helicopter to the right, keeping the tail pointed away from the pilot, in a circle around the pilot. Until the helicopter is hovering over the take-off point.
保持机头朝向操控者，以操控者为圆心，以顺时针的方向执行水平圆的动作，直到直升机到达起飞点的上空。