远处海岸仍然零星地传来雷声。

The distant thunder from the coast continued sporadically.

《柯林斯英汉双解大词典》

直到现在，只是零星地发现这类基因，因此这些基因的数量仍旧是未知数。

Until now, though, such genes have been discovered piecemeal, so no one knows how many there are.

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1995年费米实验室那项发现的消息几个月内零星地泄露（透露）出一点点。

News of that discovery, at Fermilab, trickled out in dribs and drabs over several months in 1995.

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