Like a computer the brain works best when it is cool, but putting too great a strain on it can lead to overheating which reduces its ability to process information.

人脑其实与电脑一样，处于低温冷却状态时工作效率最佳，工作负担过重就会导致过热，出现过热就会降低其信息处理能力。

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But with its strong frame, dual shock absorbers, and fat, knobby tires, the Zuma 125 delivers the cool.

而且其强健的构架、双减震器和厚重多节的轮胎让这款Zuma 125尽显风头。

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But our mates think its cool. 'My friends keep trying to get me to change my name to Edward like the character in the Twilight film.'

虽然有太多人觉得兄弟俩的“面孔”十分吓人，但是自从电影《暮光之城》流行以来，同时又有很多朋友觉得这对“吸血鬼兄弟”太酷了，有朋友甚至劝兄弟俩改名，改成爱德华（暮光之城男主角的名字）。

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That is the source of its cool, but also of its sullen capacity to annoy.

NEWYORKER: Tehran Tales

Glad you think Apple has lost its cool, but where I live the teenagers want Apple products, not some cheap-ass, forked-Android Kindle Fires or some second-string Android Nexus 7s tablets.

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It needs cooler weather than its hardier cousins, but not too cool.

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