prickly ash
柯林斯词典
1. N a North American rutaceous shrub or small tree, Zanthoxylum americanum, having prickly branches, feathery aromatic leaves, and bark used as a remedy for toothache 美洲花椒 (Also called toothache tree)
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1. N a North American rutaceous shrub or small tree, Zanthoxylum americanum, having prickly branches, feathery aromatic leaves, and bark used as a remedy for toothache 美洲花椒 (Also called toothache tree)