名詞 mushroom:

1. common name for an edible agaric (contrasting with the inedible toadstool)
2. any of various fleshy fungi of the subdivision Basidiomycota consisting of a cap at the end of a stem arising from an underground mycelium
3. a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)
   同義詞：mushroom cloud, mushroom-shaped cloud
4. fleshy body of any of numerous edible fungi

動詞 mushroom:

1. pick or gather mushrooms
2. grow and spread fast

1. Edible roots; an edible mushroom.
   可食根; 一種可食用蘑菇
2. New blocks of flats and offices have mushroomed all over the city.
   在全市各處如雨后春筍般出現了許多新公寓和辦公樓。
3. I gathered many mushrooms after rain.
   雨后我采了很多蘑菇。
4. Some mushrooms are poisonous.
   有些蘑菇有毒。

mush.room

n.（名詞）
Any of various fleshy fungi of the class Basidiomycota, characteristically having an umbrella-shaped cap borne on a stalk, especially any of the edible kinds, as those of the genusAgaricus.
蘑菇：各種氣生肉質真菌子實體中的一種；有典型的傘狀菌蓋連接其下的菌柄，特別是傘菌 屬中任一種可食的
Something shaped like one of these fungi.
菌狀物：形狀像這些真菌類中任一種
v.intr.（不及物動詞）
mush.roomed,mush.room.ing,mush.rooms
To multiply, grow, or expand rapidly:
快速擴張：非?？斓卦鲩L、生長或者擴展：
例句：
The population mushroomed in the postwar decades.
戰(zhàn)后數十年里人口快速增長

To swell or spread out into a shape similar to a mushroom.
呈菌狀擴散：膨脹或者伸展成象蘑菇的形狀
adj.（形容詞）
Relating to, consisting of, or containing mushrooms:
蘑菇的，象蘑菇的：與蘑菇有關的、由蘑菇組成的或者包含蘑菇的：
例句：
mushroom sauce.
蘑菇醬

Resembling a mushroom in shape:
形狀象蘑菇的：
例句：
a mushroom cloud.
蘑菇云

Resembling mushrooms in rapidity of growth or evanescence:
快速生長的：象蘑菇一樣的快速生長或消失：
例句：
mushroom towns.
快速發(fā)展的城市

來源：
Middle English musheron
中古英語 musheron
from Anglo-Norman moscheron, musherum
源自 英法語 moscheron, musherum
from Old French mousseron
源自 古法語 mousseron
from Medieval Latin musariô musariôn-
源自 中世紀拉丁語 musariô musariôn-