紫薯的英文

　　还有：purple sweet potato：紫甘薯;紫甘薯色素;紫薯;紫色甘薯;紫心甘薯

　　例句：

　　Characteristics of purple sweet potato variety "Guangzishu No.1" and its high-yield cultivation techniques

　　广紫薯1号特征特性与高产栽培技术

　　And the sensory evaluation was used as the index, studying the fermentation process of purple sweet potato yogurt by orthogonal experiment.

　　以感官评价为考察指标，通过正交试验研究紫薯酸奶发酵工艺条件。