论文部分内容阅读
不觉间,2015年已过半,潮湿闷热的“桑拿天”又将光临北京。怕热的人躲进空调屋,不得不出门者只能硬着头皮“蒸”上一把。汗流浃背之时,若能吃上一根冰棍,喝上一杯冷饮,那绝对是盛夏时节消暑纳凉的不二选择。然而,在没有空调冰箱等制冷设施的年代,人们是如何降暑的呢?难道只能如老舍笔下的骆驼祥子一样,灌下一瓢井水了事,又或是干脆跳进护城河冲个凉?其实,聪明的祖先早已想出了保存天然冰的办法,并建造了很多冰窖用来储冰。《诗经》中有“二之日凿冰冲冲,三之日纳于凌阴,
Unconsciously, more than half of 2015, hot and humid ”sauna days“ will visit Beijing. Afraid of hot people hide in air-conditioned house, had to go out and only bite the bullet ”steam “ on the one. When sweating, if you can eat a popsicle, drink a cup of cold drinks, it is definitely summer refreshing cool time the best choice. However, in the absence of refrigerators and other air-conditioning facilities, the age of the people how to cool it? Is it just like Lao She’s Xiangzi Camel, like irrigation down a scoop well, or simply jump into the moat cool In fact, clever ancestors have come up with the idea of preserving natural ice, and built a lot of ice used to store ice. ”The Book of Songs,“ there are ”two days of ice and ice, three days satisfied at Lingyin,