With one long stride over this divide we traveled back another 1.5 million years, then walked out above a stark, gully-cut plain, ashy purple in the high afternoon heat.

在越过直立人的分水岭后，我们一下子倒退了150万年之久，在午后的酷热伴随下步入了这块高地，底下是沟壑丛生并呈现灰红色的荒凉平原。

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The scientists started with plain, white T-shirts that were cut into thin strips and dipped into a boron solution.

科学家先把普通的白T恤衫剪成细条浸泡在硼溶液里，然后将其取出放入烤箱内加热。

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If plain water doesn't cut it, try drinking flavored sparkling water or brewing a cup of fruit-infused herbal tea.

如果白开水不能解渴，你可以饮用有味道的汽水或者水果浸泡的凉茶。

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To people who paid into the program for their entire lives, it is a cut -- plain and simple.

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Ring mounted with a heart-shaped diamond weighing 2 carats to the tapered baguette-cut diamond shoulders with plain hoop.

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