keystone 详细解释

keystone

['ki:stəun]

n.拱顶石, 基础, 重点

n.[C]

1. 【建】(拱门的)拱心石, 楔石

2. 主旨; 基本原则; 基础[(+of)]

Social justice is the keystone of their political program.

社会公平是他们政治纲领的基本原则。

词形变化

名词复数：keystones

英英释义

名词 keystone:

a central cohesive source of support and stability

同义词：anchor, mainstay, backbone, linchpin, lynchpin

the central building block at the top of an arch or vault

同义词：key, headstone

补充

keystonekeystone英:[ˈki:stəun] 美:[ˈkiˌston]n.1.重点,要旨,基本原理,拱心石,楔石

例句

1. the keystone of a Gothic arch哥特式建筑的拱顶石 2. 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。 3. cooperation remains the keystone of the government's security policy.合作仍然是政府安全政策的基本原则。 4. Tourism is the city's economic keystone.旅游业是本市的经济基础。 5. the keystone of his faith他的信仰的基本原则

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