stepping stone

名词 n.
/ˈstɛp.ɪŋ stəʊn/    /ˈstɛp.ɪŋ stoʊn/

英文释义

名词 n.
  1. A stone that can be stepped on in crossing something, especially a marsh or creek.
    — Falling—her veriest stepping-stone Shall form the pedestal of a throne— […]
  2. Something used as a way to progress to something or somewhere else. idiomatic
    — He was full of ambition, and force, and life, intending all sorts of great things, and meaning to make his position a stepping stone to all that was excellent in public life.

词形变化

stepping stones plural stepping-stone alternative steppingstone alternative

词源

First attested circa 1325; first used in the figurative sense circa 1653.
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