inveteracy是什么意思

n.根深蒂固,积习

1. The inveteracy of his bad habits made it difficult for him to change.（他坚固的坏习惯使得他很难改变。）
2. The inveteracy of their rivalry led to constant conflict between the two teams.（他们之间竞争的顽固性导致两个团队之间不断的冲突。）

顽固；习性；顽固的事物。