inveterately是什么意思

adv.根深蒂固地,积习地

1. He was inveterately optimistic, always seeing the bright side of every situation.
他是个积习难改的乐观主义者，总是能看到每种情况的积极面。
2. Despite his age, he was still inveterately adventurous, always seeking new experiences.
尽管年事已高，他仍然根深蒂固地热衷冒险，总是追求新的经历。

根深蒂固地；积习难改地