springboard

springboard
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
    ■(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
英语宝典
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