如何让花束永远保持新鲜？

        Now scientists claim they have found the solution - a simple spray that keeps the stems looking as fresh as the day they were cut.

　　现在科学家们表明他们已经发现了解决这个问题的方法，那就是使用一种喷雾剂，它可以让花茎像刚被减下来的时候一样保持新鲜。