demonstration jump的用法和样例：
例句
- Jump into the extreme sport of Skydiving.
跳转到极限运动的跳伞运动。 - A paratrooper was scared to jump.
有一个伞兵很恐惧跳伞。
demonstration jump的相关资料：
临近单词
demonstrations
demonstration
Demonstration operation management
Demonstration construction project
demonstration eye with normal funds
demonstration of geostatic pressure
Demonstration Detail Test Objective
demonstrations against the Iraq war
Demonstration of electric field line
demonstration of weapon and equipment
demonstration of charging of capacity
Demonstration on Chinese Tea Drinking
