hour star jumper

例句：

1. 1. The hour star jumper is a popular sport for young people.
   小时之星跳跃者是年轻人流行的运动。
2. 2. The hour star jumper was invented by a famous scientist.
   小时之星跳跃者是由一位著名的科学家发明的。
3. 3.The hour star jumper has become a symbol of the city's youth culture.
   小时之星跳跃者已经成为这座城市青年文化的符号。