long jump take-off board
/ˈlɒŋ ˈdʒʌmp ˈteɪkˈɒf ˈbɔːd/
n
English · long jump take-off board中文 · 起跳板Español · tabla de batida de salto de longitudFrançais · planche d’appel saut en longueur
意味：It is placed close to the landing area across which the athlete jumps as far as possible.