单词
mastodon
读音
ˈmæstəˌdɑːn
美式
英式
词根
无
释义
n. [古生] 乳齿象；庞然大物 adj. 巨大的；庞大的
例句
Scientists have now accurately carbon-dated the sharp tip that itself carved from mastodon bone.
如今，利用放射性碳素测定年代法，科学家已确定这一用乳齿象牙雕刻而成的长矛尖端的精确年代。
The researchers say they have also done the first nuclear genetic analysis of the American mastodon.
研究人员说他们已经完成了首个美洲乳齿象的细胞核遗传学分析。
The rib containing the spear point was part of a collection of mastodon remains unearthed in the late 1970s.
这一含有长矛尖的肋骨来自一批20世纪70年代后期采集出来的乳齿象遗骸。
Scientists have now accurately carbon-dated the sharp tip that itself carved from mastodon bone.
如今，利用放射性碳素测定年代法，科学家已确定这一用乳齿象牙雕刻而成的长矛尖端的精确年代。
The researchers say they have also done the first nuclear genetic analysis of the American mastodon.
研究人员说他们已经完成了首个美洲乳齿象的细胞核遗传学分析。
The rib containing the spear point was part of a collection of mastodon remains unearthed in the late 1970s.
这一含有长矛尖的肋骨来自一批20世纪70年代后期采集出来的乳齿象遗骸。
强化记忆
无
看视频学发音
that led to the extinction of a big slew of large-bodied animals,from the mastodon to the giant ground sloth,saber-toothed cats,
extinction as a concept wasn't even thought aboutuntil Baron Cuvier in France found this first mastodon.He couldn't match it up to any bones on the planet,
you're going to be helpless.So you don't want to have the mastodon charging at youand be saying to yourself,
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