The spray consists of a synthetic polymer mixed with ethanol and placed in a small, high-tech dispenser that could be mistaken for a prop on the set of Star Trek.

 
  • 这种喷剂是一种掺有乙醇的聚合物,被置于一个不大而精密中分配器中。这个分配器很像电影《星球大战》中道具飞船带喷咀的推进器,用一外加电场对混合溶液充电。
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