A squirrel was perched on Dickon's bent back attentively nibbling a nut.

一只松鼠蹲在狄肯弯着的背上，专心地啃着一颗坚果。

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The nut of the problem traces all the way back to Jimmy Carter’s choice of tax credits as the vehicle for subsidizing renewable energy.

这一问题的症结可以一路回溯到吉米·卡特把税务抵免作为可再生能源的补贴。

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It dropped the nut and ran back down to the ground.

坚果掉了下来，松鼠又回到了地上。

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National Union of Teachers members in Nottingham City plan to strike over the issue next Thursday and have asked NUT conference delegates to back them.

BBC: Strike pledge over school summer holiday and term changes

Back in the mid-1990s, concern over nut allergies spiked.

NPR: Studies Predict Odds of Outgrowing Nut Allergies

Alonso survived 13 laps before he came back to the pits to revert to slicks but a problem with a loose wheel nut saw him trapped in the pits for 18 seconds leaving him short on time to close down Schumacher.

BBC: SPORT | Motorsport | Formula One | No excuses for mistakes - Renault