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。
In 1810 a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning.
1810年，一个法国发明家，尼古拉斯·阿佩尔发明了加热密封的罐头加工方法。
In 1810 a French inventor named Nicolas Appert developed the cooking-and-sealing process of canning.
1810年，一个法国发明家，尼古拉斯·阿佩尔发明了加热密封的罐头加工方法。
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