Browncowsmaynotactuallymakechocolatemilk,butpinksilkwor...
問題詳情：Browncowsmaynotactuallymakechocolatemilk,butpinksilkworms(蠶)doproducepinksilk,ateamofscientistshasdiscovered.Toseeiftheycouldproducepredyedsilk—silkthatcomescolored,straightfromthesource—...