tiào​bǎn

gangplank

跳板 tiào​bǎn
gangplank noun
a movable plank or bridge used for boarding or leaving a ship or boat
jumping-off point noun
a metaphorical stepping stone or initial stage used to launch a career or further goal
springboard noun
a flexible board used in gymnastics or diving to provide momentum

Frequency

Movie subtitles
0.690 per million appears in 0% of films
Written text
1.95 per million

Sources

Definitions
CC-CEDICT