<p>I bought two cartons of mushroom fungus ,</p><p><br></p><p>After we poked some holes ,lay them here with a steady temperature. Now the spawn（microorganism）is colonizing/ˈkɒləˌnaɪz/ 繁殖 the substrate /ˈsʌbstreɪt/ 基质 with mycelium /maɪˈsiːlɪəm/ 菌丝. The white, feathery /ˈfɛðərɪ/ 软而轻的 "roots" called mycelium is spreading throughout the substrate.Mycelium can grow at any light level except direct sunlight.</p><p><br></p><p><br></p>