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发表于2025-01-01
On The Gait Of Animals pdf epub mobi txt 電子書 下載 2025
Now of animals which change their position some move with the whole body at once, for example jumping animals, others move one part first and then the other, for example walking (and running) animals. In both these changes the moving creature always changes its position by pressing against what lies below it.
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On The Gait Of Animals pdf epub mobi txt 電子書 下載 2025