当甲虫内脏内容物的遗传特性显示出一些意想不到的结果时，研究人员决定进一步研究蚯蚓的 DNA 。

When genetic characterization of the contents of beetle guts gave some unexpected results, the researchers decided to take a closer look at earthworm DNA.

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但是，当甲虫背脊骨包容的遗传特性显示出一些意想不到的结果时，这些研究人员决定仔细查明蚯蚓的DNA。

But when genetic characterization of the contents of beetle guts gave some unexpected results, the researchers decided to take a closer look at earthworm DNA.

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那只小鸡从土里啄出一条蚯蚓。

That chick pecks out an earthworm from the earth.

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