1、Scientists have now accurately carbon-dated the sharp tip that itself carved from mastodon bone.
如今，利用放射性碳素測定年代法，科學(xué)家已確定這一用乳齒象牙雕刻而成的長矛尖端的精確年代。

2、While she sits at home trying to get the mastodon smell out of the carpet!
而她卻待家里設(shè)法去除地毯上乳齒象的味道！

3、Okay, now the Mastodon is from the semi-late Jurassic period.
接下來這頭乳齒象是來自侏羅紀(jì)中后期。

4、Isn't the mastodon from the Pliocene Epoch?
乳齒象不是上新世的嗎？

5、The man in this picture is holding a mastodon tooth that was found not very long ago.
照片中的人拿著一顆不久前出土的乳齒象牙齒。

mastodon翻譯