The vegetable origin of coal is no longer a matter of doubt.

关于煤炭的植物来源早就不是一个谜了。

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Home and abroad were carried out on the safety evaluation of vegetables and vegetable origin environmental assessment.

国内外均开展了关于蔬菜安全性评价和蔬菜产地环境的评价。

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Gum: In Botany, an adhesive substance of vegetable origin , mostly obtained as exudate from the Bark of trees or shrubs Belonging to the pea family .

树胶：植物产生的黏性物质，多得自豆目豆科乔木或灌木树皮的渗出物。

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