| en | According to a recent theory, Archean-age gold-quartz vein systems were formed over two billion years ago from magmatic fluids that originated from molten granitelike bodies deep beneath the surface of the Earth. |
|---|---|
| parts | 意群训练： According to a recent theory ，Archean-age gold-quartz vein systems were formed over two billion years ago from magmatic fluids that originated from molten granitelike bodies deep beneath the surface of the Earth . |
| mark | 标志： /According to a recent theory/, Archean-age gold-quartz vein systems were formed /over two billion years ago / /from magmatic fluids ［that originated /from molten granitelike bodies (deep beneath the surface of the Earth)/］/. |
| cn | 译文： /根据一个近来的理论/，太古代的金-石英矿脉系统 是/在二十亿年以前 / /从 ［来 /自（地球表面以下很深的）融化了的像花岗岩似的部分 /的\］岩浆流 当中 被形成 的。 |
| explain | 解释： 本句中的固定搭配be formed from之间被插入了一个状语/over two billion years ago /，实际上是起到了一个插入语的作用。另外，本句中充斥着种种专有词汇，恐怕很多人之所以读不懂，是因为被这些东西所吓倒的。其实仔细看一看，除了magmatic之外，并没有真正意义上看不懂的词汇：Archean-age和granitelike这两个词可以通过词头和词根猜出其意思，而magamtic其实不认识也无所谓，作一个首字母提炼“m”即可。 |
| type | 复杂修饰+语+专有名词 |
| score | 4 |
| idx | 067 |
| category | gmat |
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