将完整的西瓜或者西瓜片存放在冰箱里。 将切块的西瓜放进密封保鲜盒里。 冰冻西瓜时，务必要谨慎。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Watermelons are typically refrigerated at a temperature of 13 degrees Celsius (55 F).  Storing your fruit at 21 Celsius (70 F) will increase its lycopene and beta-carotene content (both of which are important antioxidants). A resealable bag or container is the best place for watermelon.  This will preserve its flavor and freshness. In a pinch, wrap your watermelon tightly in aluminum foil or plastic wrap. Some people advise against freezing watermelon altogether, since thawing or cutting open a