发表于2024-11-10
Hot Topics pdf epub mobi txt 电子书 下载 2024
Great Inventions
When was the telephone invented?
How is sound recorded?
Who invented printing?
From the wheel to the silicon chip, discover the facts behind some the most amazing and life-saving inventions that shape our daily life with this handy pocket guide.
Easy-to-read facts in a question-and-answer style.
Colorful illustrations and diagrams make learning fun.
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Hot Topics pdf epub mobi txt 电子书 下载 2024