Edible tuberous root of the sweet potato vine grown widely in warm regions of the United States.

甘薯蔓生植物的可食用的块根，广泛生长在美国的温暖地区。

youdao

In China, the main starch-containing non-grain feedstocks for producing fuel ethanol include sweet potato, cassava, canna edulis and vine root.

我国可用于生产燃料乙醇的非粮淀粉质原料主要有甘薯、木薯、蕉藕、葛根等。

youdao