从火星熔岩流上出现的少量陨石坑中，我们可以估计，在5亿年前，这个星球上的火山还很活跃——也许现在依然活跃。
From the small number of impact craters that appear on Martian lava flows, one can estimate that the planet was volcanically active as recently as a half-billion years ago—and may be active today.
在不同领域，伊朗有数千名记者，他们依然活跃在各个领域。
We have thousands of journalists working in different fields and they are still active and they have never finished their jobs.
在我，神经末梢的感恩之情(感恩之情的神经末梢)依然活跃。
At least I am not 'spoiled 'and have in me still alive the nerve endings of gratitude.
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