| 单词 | cornerstone |
| 释义 | cornerstone /kawr"neuhr stohn'/, n. 1. a stone uniting two masonry walls at an intersection. 2. a stone representing the nominal starting place in the construction of a monumental building, usually carved with the date and laid with appropriate ceremonies. 3. something that is essential, indispensable, or basic: The cornerstone of democratic government is a free press. 4. the chief foundation on which something is constructed or developed: The cornerstone of his argument was that all people are created equal. [1250-1300; ME; see CORNER, STONE] |
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