牛津大学研究烟草与健康的林德森·霍利说：“我觉得这个主题很有趣的一个原因是，我妈妈在我小的时候吸烟。”

"One of the reasons I find this topic very interesting is because my mom was a smoker when I was younger," says Lindson-Hawley, who studies tobacco and health at the University of Oxford.

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举例来说，这就是蛋白在加热的时候转变颜色与质感的原因：蛋白中的化学键断开又重新形成，改变了它的物理特性。

This, for instance, is why egg white changes colour and texture when cooked: bonds in the albumen in the white break and reform, changing its physical properties.

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事实上，您应该使用 vmstat 来确定瓶颈的原因，即使在您尚未确定它是否与内存有关的时候。

You should actually use vmstat to identify the cause of your bottleneck, even before you have determined that it might be memory related.

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