n.乳齿象，庞然大物...

mastodon的音标：mastodon的英式发音音标为：['mæstədɒn]mastodon的美式发音音标为：['mæstəˌdɒn]...

Okay , now the Mastodon is from the semi - late Jurassic period.接下来这头乳齿象是来自侏罗纪中后期.Barney : Hi that's not a mastodon, its Fred singing.那可不是乳齿象, 是弗雷德在唱歌.They hunted huge creatures like the mastodon, which were similar...