- 重点词汇
- millions of成千上万的…，无数的…;
- North American.北美洲;
- yearsn.年( year的名词复数 );年纪;一年的期间;某年级的学生;
- ofprep. 关于;属于…的;由…制成;
- moredet./pron.更多;(数、量等)更大的;更多的或附加的人或事物;
- prominentadj.突出的，杰出的;突起的;著名的;
- were be的过去时复数和第二人称单数形式;有时代替 was,用于条件从句、动词 wish 之后等;
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- forestsn. 森林( forest的名词复数 );丛林;（森林似的）一丛;一片;
- 相关例句
They lived on the earth tens of millions of years ago, long before humans came into being
千百万年前它们（恐龙）就在地球上生活，比人类的出现要早得多
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So how on earth have we worked out so much about animals that lived millions of years ago?
因此我们到底要怎么去了解数百万年以前的动物？
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The energy which coal provides is the solar energy which was stored by plants millions of years ago.
煤提供的能量是千百万前的植物储存的太阳能。
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Giant pandasare thought tohave originated in southwest China, millions of years ago,
大熊猫被认为在几百万年前起源于中国的西南部
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在我们最早的多细胞生物祖先于数亿年前在地球上出现时，癌症可能就已经存在。
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自然历史博物馆的展览包括数百万年前水陆两栖动物的化石。
provided by jukuu
Mountains that we see here today aren't the mountains that were around millions of years ago.
我们今天在这里看到的山，与大约百万年前的山是不一样的。
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The print of geological events that happened millions of years ago is the best pledge.
那些被亿万年的地质变迁雕琢过的印记，是我给你最好的信物。
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Coal was made by the rocks pressing on trees and plants which died millions of years ago.
煤产生于岩石对数百万年前枯死的树木和其他植物的挤压。
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Humans in this galaxy were given a gift millions of years ago by Heaven.
在这个银河系的人类一族早在几百万年以前就被天堂给予了礼物。
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The fossil showed that it began its expansion of territory millions of years ago.
化石显示它从几百万年前就开始了它的领土扩张了。
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In fact, it is thought that a meteor killed the dinosaurs millions of years ago.
事实上，有人认为在数百万年前就是一块陨石造成所有的恐龙灭绝。
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The energy in coal and oil came from the sun, stored there by the plants of millions of years ago.
煤和石油内部的能量来源于太阳，这些煤和石油在数百万年前由植物堆积而成。
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