| 单词 | mastodon |
| 释义 | Word Frequency mastodon(ˈmæstəˌdɒn) or mastodont (ˈmæstəˌdɒnt) noun any extinct elephant-like proboscidean mammal of the genus Mammut (or Mastodon), common in Pliocene times Derived forms mastodontic (ˌmastoˈdontic) adjective Word origin C19: from New Latin, literally: breast-tooth, referring to the nipple-shaped projectionson the teeth |
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