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单词库 \ 英汉词典 \

keystone是什么意思

keystone

英[ˈki:stəʊn] 美[ˈkistoʊn]

n. 重点，要旨，基本原理，拱心石；

复数：keystones;

相关单词 keystones

柯林斯高阶英汉双解学习词典释义

N-COUNT

拱顶石

A keystone is a stone at the top of an arch, which keeps the other stones in place by its weight and position.
N-COUNT

（政策、体系或进程的）基础，主旨

A keystone of a policy, system, or process is an important part of it, which is the basis for later developments.
例句
Keeping inflation low is the keystone of their economic policy. 将通货膨胀率保持在较低水平是他们经济政策的主旨。

英英词典释义

Noun
1. 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"
2. the central building block at the top of an arch or vault

行业词典

体育：根本原理；要旨；二垒；

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