adj.被蹂躏的；被藐视的
动词override的过去分词.
Considerations of safety override all other concerns. 对安全的考虑压倒一切。
A particular value for a variable that is assigned automatically by an operating system and remains in effect unless canceled or overridden by the operator. 缺省，默认某一变量的特定值，由操作系统自动指定并持续有效，除非操作者取消它或使它无效
