sweet potato
noun
1
- an edible tropical tuber with white slightly sweet flesh白薯, 甘薯, 番薯, 红薯（指可食的块根）。
2
- the Central American climbing plant which yields this tuber, widely cultivated in warm countries白薯, 甘薯, 番薯, 红薯（指植物）。
2.1
- Ipomoea batatas, family Convolvulaceae.拉丁名Ipomoea batatas, 旋花科。