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Mount Sharp is a Martian mountain,
夏普山是火星上的一座山
rising 18,000 feet above the centre of the massive Gale Crater.
在巨大的蓋爾撞擊坑中心 高達(dá)5500米
The scientists believe their Rover could find carbonates here,
科學(xué)家們認(rèn)為火星車能在這里找到碳酸巖
proving this Martian crater was also filled with water
證明這個(gè)撞擊坑在遙遠(yuǎn)的過去
in its ancient past.
也曾是一片汪洋大海
But that's not the only similarity that Mount Sharp has
但這并不是夏普山僅有的
with the mountains here in the Mojave Desert.
與莫哈韋沙漠群山相似的地方
In both places,
在這兩個(gè)地方
the team can use the rock itself
科學(xué)家團(tuán)隊(duì)都能利用巖石本身
to travel back in time to any moment in the geological past.
分析出過去任何時(shí)候的地質(zhì)狀況
The mountains are formed of layers,
群山是由多個(gè)巖層
built up gradually over millennia.
百萬年以來逐漸堆積而成
Testing each one will reveal what the environment was like there
對地層進(jìn)行檢測就能知道
at the particular moment in time it was laid down.
這一地層形成時(shí)的環(huán)境狀況
What we see here is a stack of layers
我們看到的這些巖層
that tell us about the early environmental history of the Earth,
向我們揭曉了地球早期
representing hundreds of millions of years.
幾億年間的環(huán)境變遷史
重點(diǎn)解釋：
1.fill with 用...裝滿
例句：The royal palace was filled with intrigue.皇宮中充滿了勾心斗角。
2.build up 組成； 建立
例句：He built up a successful business but it was all done at the expense of his health.他創(chuàng)建的企業(yè)很成功，但這一切卻損害了他的健康。
3.laid down 沉積
例句：The land is laid down with red or white clover.這塊土地種上了紅花和白花苜蓿。
