| 释义 |
keystone美 ['ki.stoʊn] 英 ['kiː.stəʊn] - n.拱顶石；基础
- adj.吉斯通式的
- 网络拱心石；凯斯通；重点
n. foundation,basis,bedrock,underpinning,grounding 1. | 拱顶石the central stone at the top of an arch that keeps all the other stones in position |
2. | [ususing] （计划、论据的）主旨，基础the most important part of a plan or argument that the other parts depend on |
n. | 3. 〔建〕拱顶石;〔无〕梯形失真;〔机〕键槽,锁座 3. 〔建〕拱顶石;〔无〕梯形失真;〔机〕键槽,锁座 | adj. | | un. | |
n. | 1. the wedge-shaped stone at the highest point of an arch that locks the others in place 2. something on which other interrelated things depend 3. a stone at the top of an arch that keeps the structure together 4. something that is very important to a plan, arrangement, or set of beliefs 1. the wedge-shaped stone at the highest point of an arch that locks the others in place 2. something on which other interrelated things depend 3. a stone at the top of an arch that keeps the structure together 4. something that is very important to a plan, arrangement, or set of beliefs |
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