button mushroom
US /ˈbʌt.ən ˌmʌʃ.rʊm/
UK /ˈbʌt.ən ˌmʌʃ.rʊm/

1.
口蘑, 白蘑菇
a common edible mushroom (Agaricus bisporus) with a short stem and a cap that is initially rounded and white or light brown, often used in cooking
:
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She added sliced button mushrooms to the stir-fry.
她把切片的口蘑加到炒菜裡。
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The recipe calls for fresh button mushrooms.
這個食譜需要新鮮的口蘑。