The volcano has sent a massive cloud of microscopic ash particles swirling across northern Europe - particles that air specialists say are highly abrasive and could cause aircraft engines to fail.

VOA: standard.2010.04.16

Those are so many kinds of ideas that I'm sure swirling at least in some entrepreneurial heads in this audience.

我想这里至少有些人的脑海里,曾经产生过这些想法。

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And that was the case in our village because there wasn't a bridge across the river, and there was a little boat would take people across this awesome, swirling,dangerous river.

那就是我们村的情况,在河面上没有桥,那儿有一条小船可以载人通过那条,水波滔天的危险的河

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