tremplin bedeutet auf Englisch

springboard [springboards]▼◼◼◼(figuratively: anything that launches or provides impulse)
noun
[UK: ˈsprɪŋ.bɔːd] [US: ˈsprɪŋ.ˌbɔːrd]

springboard [springboards]▼◼◼◼(flexible diving board)
noun
[UK: ˈsprɪŋ.bɔːd] [US: ˈsprɪŋ.ˌbɔːrd]

springboard [springboards]▼◼◼◼(platform on springs used in gymnastics)
noun
[UK: ˈsprɪŋ.bɔːd] [US: ˈsprɪŋ.ˌbɔːrd]

stepping stone▼◼◼◻(something used as a way to progress)
noun
[UK: ˈstep.ɪŋ stəʊn] [US: ˈstep.ɪŋ ˈstoʊn]

ski jump▼◼◼◻(ramp)
noun

bootstrap [bootstraps]▼(a means of advancing oneself or accomplishing something)
noun
[UK: ˈbuːt.stræp] [US: ˈbuːt.ˌstræp]

inrun▼(ski jumping ramp)
noun
[UK: ˈɪnrʌn] [US: ˈɪnrʌn]