| n 用法:
1 strong flexible board from which a person can jump high before diving or performing a gymnastic feat （跳水运动的）跳板; （体操运动的）踏跳板. 用法:
2 ~ (to/for sth) (fig 比喻) starting point that gives impetus to a future activity 发展事业的起点:
The college debating society was a natural springboard for her career in politics. 大学里的辩论社自然成了她从政的垫脚石. |