词典释义：
释义
n.
any of a group of unicellular, multicellular, or syncytial spore-producing organisms feeding on organic matter, including moulds, yeast, mushrooms, and toadstools
真菌。
[mass noun]fungal infection (especially on fish)
（尤指鱼的）真菌感染。
[in sing.]used to describe something that has appeared or grown rapidly and is considered unpleasant or unattractive
迅速出现的令人讨厌的东西
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there was a fungus of outbuildings behind the house. 房子后面一下子冒出了一批附属建筑。
词源
"late Middle English： from Latin, perhaps from Greek
