| 释义 |
cornerstone
cornerstone /ˈkɔː.nə.stəʊn/ aep /ˈkɔːr.nɚ.stoʊn/ noun [C]
1 F0 a stone in a corner of a building, especially one with the date when the building was made or other writing on it Thesaurus+: ↑Walls and parts of walls2 F0 something of great importance that everything else depends on: » In most countries, the family unit is still the cornerstone of society.Thesaurus+: ↑Walls and parts of wallsThesaurus+: ↑Importance , ↑Useful or advantageous |