springboard
/ˈsprɪŋbɔːd/noun
1
- a strong, flexible board from which someone may jump in order to gain added impetus when performing a dive or a gymnastic movement（跳水或体操运动的）跳板。
1.1
- figurative a thing that lends impetus or assistance to a particular action, enterprise, or development〈喻〉（为行动、事业或发展提供动力的）跳板：
an economic plan that may be the springboard for recovery.
一项有可能成为复苏跳板的经济计划。
2
- Canadian & Austral. a platform fixed to the side of a tree and used by a lumberjack when working at some height from the ground〈加, 澳〉伐木脚手架。