noun · a movable plank or bridge used for boarding or leaving a ship or boat

乘客们顺着跳板走下了轮船。

noun · a metaphorical stepping stone or initial stage used to launch a career or further goal

他把这家小公司当作进入大企业的跳板。

noun · a flexible board used in gymnastics or diving to provide momentum

跳水运动员在跳板上用力一蹬，跃入水中。