| 单词 |
keystone |
| 释义 |
Related topics: Constructionkey·stone /ˈkiːstəʊn $ -stoʊn/ noun 1. TBC[countable] the large central stone in an arch that keeps the other stones in position 拱顶石2 IMPORTANT[singular] formal the most important part of an idea, belief, or process that influences how it develops 〔观点、信仰、进程等的〕基础，主旨，基石keystone of The keystone of any personal injury case is medical evidence. 裁定人身伤害案的基础是医学证据。Examples from the Corpuskeystone of• A high level of production has become a keystone of economic security.key·stone nounChineseSyllable the an central large in arch that keeps Corpus stone |
| 随便看 |
- (from) door to door
- from door to door
- from downwards
- from ear to ear
- from father to son
- from hero to zero
- from hour to hour
- from house to house
- from left field
- (from) left to right
- from left to right
- from minute to minute
- from nowhere
- from one moment to the next
- from on high
- from ... onwards
- from onwards
- from place to place
- from place to place/house to house etc
- from quarters
- from rags to riches
- from scratch
- from side to side
- from something to something
- from sth to sth
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