亦称核桃。胡桃科胡桃属植物，约二十种落叶乔木。
Any of about 20 species of deciduous trees in the genus Juglans, family Juglandaceae.
胡桃：欧亚大陆的一种核桃树（核桃核桃属），核果大且可吃，其木材有价值。
English walnut:a Eurasian tree (Juglans regia) cultivated in southern Europe and California for its valuable wood and its large, edible nuts.
胡桃：欧亚大陆的一种核桃树（核桃 核桃属），核果大且可吃，其木材有价值。
English walnut:a Eurasian tree (Juglans regia) cultivated in southern Europe and California for its valuable wood and its large, edible nuts.
心果山核桃，山胡桃一种北美东部的山核桃树（心果山核桃山核桃属），有薄壳坚果，果核苦味。
A hickory tree(Carya cordiformis)of eastern North America, having thin - shelled nuts with bitter kernels.
心果山核桃，山胡桃一种北美东部的山核桃树（心果山核桃山核桃属），有薄壳坚果，果核苦味。
A hickory tree(Carya cordiformis)of eastern North America, having thin - shelled nuts with bitter kernels.
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