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Keystone
01
замковый камень
a stone located at the top center of an arch, keeping all the other stones together
Примеры
The archway was supported by a central keystone, which locked the structure into place and distributed the weight evenly.
Арка поддерживалась центральным замковым камнем, который фиксировал конструкцию на месте и равномерно распределял вес.
02
основа
a central element or factor that provides essential support or cohesion to a system or concept
Примеры
Trust is the keystone of any successful relationship.
Лексическое Дерево
keystone
key
stone
