1、Mycelium is the vegetative part of a fungus, consisting of a network of fine white filaments called hyphae.
霉丝菌是真菌的营养部分，由细小的白色菌丝网络组成，称为菌丝。
2、The mycelium of mushrooms can be found growing underground or on decaying matter such as logs or leaves.
蘑菇的菌丝体可以在地下或腐烂的物质上生长，例如原木或树叶上。