grass or tree 泛指草木
species of tree and grass 树种草种
tree-grass complex 林草复合
tree grass mixture 林草混交
tree-grass complex system 林草复合系统
以上来源于: WordNet
N any plant of the Australian genus Xanthorrhoea, having a woody stem, stiff grasslike leaves, and a spike of small white flowers: family Xanthorrhoeaceae. Some species produce fragrant resins 禾木 (Also called black boy, yacca, yacka) → see also acaroid gum
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