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俗话说“昙花一现”,是因为昙花开的时间极短。日本一家公司发明了一种花卉保鲜剂,能使昙花盛开3个月之久。
As the saying goes, “Ephemeral” is because the ephemeral time is extremely short. A Japanese company invented a flower preservative, which can make the blossoms bloom for three months.