The starchy root of any of these plants, used in the tropics as food.
The starchy root of any of these plants, used in the tropics as food.
山药，甘薯这些植物的含淀粉根，在热带用作食物
The starchy root of any of these plants, used in the tropics as food.
山药，甘薯这些植物的含淀粉根，在热带用作食物