砂さ糖とう大だい根こんさとうだいこんMeanings1nounsugar beetRefers to the plant Beta vulgaris cultivated for sugar production. The synonym 甜菜 (てんさい) is more common in technical and agricultural contexts.See also: てん菜砂さ糖とう大だい根こんは甜てん菜さいと