a British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimetersa United States liquid unit equal to 4 fluid ouncesany of the radiating leaflike spore-producing structures on the underside of the cap of a mushroom or similar fungus
同义词：lamella
respiratory organ of aquatic animals that breathe oxygen dissolved in water
同义词：branchia
英汉双解大词典
gills/ɡɪlz/
1.
N-PLURAL（复数型名词）
the wattle of birds such as domestic fowl (鸟类，如家禽的)肉垂