referenceExamfundingMaterial:
[1< span>] Li Li. Why is frozen watermelon sweeter[J]. Encyclopedia Knowledge, 2020(22):33. DOI:10.3969/j.issn.1002-9567.2020.22.016.
< p>[2] Carlos V., Eric J. B., Tiffany L., Fernando M. 2018. The shapes associated with the concept of ‘sweet and sour’ foods. Food Quality and Preference. 250-257.
[3] Wu Yuhe. It is not advisable to eat more iced watermelon[J]. PLA Health, 2011, (4):28.
[4] There are four major disadvantages of eating iced watermelon[J]. Practical Technology and Information of Fruit Trees, 2010(11).
[5] Lu Xuexuan. University Questions in Fruits[J]. J]. Modern Health, 2016(3):14-16. DOI:10.3969/j.issn.1671-0223.2016.03.010.
< /p>