black gum

英文解釋：

名詞 black gum:

1. columnar tree of eastern North America having horizontal limbs and small leaves that emerge late in spring and have brilliant color in early fall
   同義詞：sour gum, pepperidge, Nyssa sylvatica
2. a small mallee with rough dark-colored bark toward the butt; yields a red eucalyptus kino gum
   同義詞：black mallee, black sally, Eucalytus stellulata

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