noun🔗Share上确界，最小上界。 (real analysis): Given a subset X of R, the smallest real number that is ≥ every element of X; : given a subset X of a partially ordered set P (with partial order ≤), the least element y of P such that every element of X is ≤ y."The highest grade anyone achieved on the test was 95, so the supremum of the test scores is 95. "这次考试中，最高的成绩是95分，所以这次考试分数的上确界（最小上界）是95分。mathlogicabstractChat with AIVocabulary GamePractice Reading
