Most rainforests too degraded to provide good habitats 多数雨林退化严重而无法为 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.
Whale makes epic migration, astonishing scientists 一座头鲸的漫长迁徙路线令 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
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书籍如何不断重塑？
说到“书籍”的时候，我们多半认为自己明白这个词的意思。书籍包含一些字句、一个书封和一个书脊，有时也包含一些图版，如果是参考书的话，多半还包括一份目录，外加一堆索引。我们本能地认为书籍都是印出来的。而且我们知道，书籍遍布整个世界，一般说来有人阅读。稍微想想我们家里的书籍，或者是某座堂皇古建筑里那些塞满 ...