take-off board（起跳板）是什么意思？音标发音+图解场景

起跳板 /ˈteɪkˈɒf ˈbɔːd/ n

English: take-off board · 起跳板

释义：Usually wooden board that the athlete pushes off from after completing the approach.

这个词出现在以下图解场景（1）