noun 下载 🔗分享 下确界，最大下界 (of a subset) the greatest element of the containing set that is smaller than or equal to all elements of the subset. The infimum may or may not be a member of the subset. Examples : "The lowest passing grade on the exam is the infimum of all passing grades, even if no one actually scored that exact minimum passing grade. " 考试的最低及格分数是所有及格分数的下确界，即使没有人真的考到那个确切的最低及格分。 math logic number element 与AI对话词汇游戏阅读练习
