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2018年5月31日星期四

防子彈人皮

防子彈人皮
Scientists have injected spider DNA into goats to create a bulletproof material


https://www.facebook.com/Discovery/videos/2116278095056687/UzpfSTEwMDAxODU5NDkwODU4MToxOTc3NjE3Mzc1MjAzMjI/

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