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He cried, "Help!" The taller boy asked him, "After I hurt you, you wrote it in the sand, but now you carved it on a stone."

他喊道：“救命啊！”个子高的男孩问他：“我伤了你之后，你把它写在沙子上，现在却把它刻在石头上。”

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Before it solidified, it was just regular sand.

在凝固之前，它只是普通的沙子。

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For example, lightning can create tubes of glass when it strikes sand that has the right combination of minerals.

VOA: special.2009.09.16

There is something that one might be able to hold on to: the knob of something, the little flame of something that ; The grain of sand. -The grain of sand; but there is really not a decent metaphor for it, I think.

一个你可以依靠的支点：,一个不同寻常的想法，一个思想的小火花,就像一粒沙中看世界，-一粒沙中看世界;,不过我认为任何比喻都不够贴切。

普林斯顿公开课 - 人性课程节选

I like it. There's sun, sand, sea, so.

我非常喜欢我的国家。那里有太阳、沙滩和海。

请支持一下社团小组 - SpeakingMax英语口语达人

To get at deeper deposits engineers inject steam via pipes to heat the bitumen and separate it from the sand so it can be sucked out.

FORBES: Crude Awakening

She said most homeowners do not begrudge laws protecting the plover, a compact, pale shorebird with coloring that makes it all but vanish against the open sand flats where it nests.

WSJ: NY's Fire Island debris effort faces bird deadline

With 170 acres of sand, it is the largest urban beach in the country.

BBC: Easy breaks from New York City