The greatest single advance began in 1800 when a Frenchman, Nicolas Appert, discovered that he could preserve certain foods by sealing them in jars and keeping the air from them.

最大的进步开始于1800年，当时法国人尼古拉斯·阿佩尔发现，他可以把某些食物密封在罐子里，不让空气进入。

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To do that, you've got to give up the idea of sealing in data.

为了做到这一点，就不得不放弃对数据的密封。

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Apple says this makes sense because sealing in the batteries lets the company make them larger, without adding heft to the laptops.

苹果公司表示，这么做是有道理的，因为使用内置电池的话，公司就可以将电池做的更大，又不用加大笔记本电脑的厚度。

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Boston sliced its deficit to nine three times in the opening 6 minutes of the final quarter, but after the last one Williams had a pair of baskets during a game-sealing 8-0 run that had many in the crowd heading for the exits.

WSJ: Williams carries Nets to 101-93 win over Celtics

Boston sliced its deficit to nine three times in the opening 6 minutes of the final quarter, but after the last time Williams had a pair of baskets during a game-sealing 8-0 run that had many in the crowd heading for the exits.

WSJ: Williams carries Nets to 101-93 win over Celtics

Having breezed through the opening set, five-time grand slam winner and defending Miami champion Djokovic was made to sweat in the second before sealing a 6-2 7-6 (7-1) success.

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