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(cè)定年代法，科學(xué)家已確定這一用乳齒象牙雕刻而成的長(zhǎng)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(lái)這頭乳齒象是來(lái)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