Mastodon

['mæstədɒn] or ['mæstə,dɑn]

解释:

(noun.) extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth.

校对:露辛达--From WordNet

解释:

(n.) An extinct genus of mammals closely allied to the elephant, but having less complex molar teeth, and often a pair of lower, as well as upper, tusks, which are incisor teeth. The species were mostly larger than elephants, and their romains occur in nearly all parts of the world in deposits ranging from Miocene to late Quaternary time.

安琪莉可录入

解释:

n. a genus of extinct elephants so named from the mamillary cusps or teat-like prominences on the molar teeth.

卡斯特罗校对