| 单词 | corner-stone |
| 释义 | corner-stone n 1 stone that forms the base of a corner of a building, often laid in position at a ceremony 奠基石. 2 (fig 比喻) thing on which sth is built; foundation 基础 Hard work was the corner-stone of his success. 努力奋斗是他成功的基础. |
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