There is a lot of fluorescent powder around here.

这附近有很多荧光粉。

Fluorescent powders are used to enhance prints on multicolored surfaces.

荧光粉末用于增强彩色表面上的印刷品。

Now the conclusion of the experiment where I look for that fluorescent powder using this UV torch.

现在是实验的结论，我使用紫外线手电筒寻找荧光粉。