n. 尽量延缓张伞的跳伞运动
原型 skydive
He practiced skydiving and finally made his first parachute jump.
他练习了跳伞，最终完成了人生中的第一次跳伞。
Her fear of heights had reached a heightened intensity during the skydiving lesson.
在跳伞课程期间，她对高度的恐惧达到了一个 heightened 强度。