太空西红柿可以保持新鲜二十天，这个时间比普通番茄要长一周。
Space tomatoes stay fresh for twenty days, which is one week longer than normal tomatoes.
国王说：“我们怎样才能使牛肉保持新鲜呢？”
来自印度的青少年 Tenith Adithyaa 利用紫外线使这些叶子保持新鲜一年。
Tenith Adithyaa, a teenager from India, used UV to make the leaves stay fresh for a year.
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