人烟———这两个汉字的结合很形象:有人的地方就有烟。市镇村庄都是人烟稠密的地方。人类自从发明用火,就有了熟食,取暖,驱赶野兽、保护自身的手段。这至少有７０万年历史了,周口店“北京人”洞穴里的灰烬层就是证明。古代的生活必需品是“柴米油盐”,小说里常见樵夫上山砍柴 People - the combination of these two characters is very image: Some people have smoke. Towns and villages are densely populated. Since the invention of fire, humans have cooked food, heating, driving wild animals and protecting themselves. This is at least 700,000 years old, as evidenced by the ashes in the “Beijinger” caves in Zhoukoudian. Ancient necessities of life is “daily necessities”, common in the novel woodcutter firewood up the hill