keystone
n. 拱顶石；基础；重点
近义词：foundation，basis，bedrock，underpinning，grounding，root，source，base，principle，cornerstone，backbone，mainstay，anchor，linchpin，headstone，lynchpin，key，
详细释义
n.(名词)
- 【建】拱顶石，冠石，塞缝石，楔石，拱心石
- 重点，要旨，主旨
- 基础 ，基本原理
- 重要项目
- 【无线电】梯形失真（光栅）
- 键槽，锁座
v.(动词)
- 阶梯型变形，梯形畸变
英英释义
Noun
- a central cohesive source of support and stability;
"faith is his anchor" "the keystone of campaign reform was the ban on soft money" "he is the linchpin of this firm"
- the central building block at the top of an arch or vault
例句
用作名词(n.)
- The arch is furnished with a keystone.这个拱顶是用拱顶石装饰的。
- The keystone to any marriage is one word: "WE".任何婚姻的基石只有两个字:“我们”。
- Belief in a life after death is the keystone of her religious faith.她的宗教信仰的基础是相信死后有来生。
- The second part is the keystone of this article.这是论文的重点论述部分。
- The essentiality of fund and financing is the keystone of expatiation.资金和资金筹集的重要性是阐释的重点。