trampolinist       
noun [ C ] uk/ˈtræm.pəl.iː.nɪst/ us/ˌtræm.pəˈliːn.ɪst/
 蹦床运动员
a person who practises the sport of trampolining
  She was a very good trampolinist when she was at school. 她在学校的时候是一个非常好的蹦床运动员。 
 Trampolinists typically work out six days a week for at least six hours a day. 蹦床运动员通常每周锻炼六天,每天至少六小时。 
 See: trampoline
 - More examples
- The stronger and more flexible you are, the better a trampolinist you'll be.
- Strength in the legs and back are essential for elite trampolinists.
- The 20-year-old is the first trampolinist ever to represent Great Britain at the Games.