mastodonianWiktionary 原文英美构词拆解mastodonmastodon词干ian-ian后缀-ian(as an adjective) From, related to, or like. · (as a noun) One from, belonging to, relating to, or like.词源说明From mastodon + -ian.释义形容词adjective1Of, related to, or characteristic of a mastodon; large; powerful.