A photographic reproduction of printed matter reduced to the size of a dot for ease or security or transmittal.

微粒照片(为方便、保密与节省处理或储存的费用，而把印刷物品缩成一点大的微型照片)。

A small pill containing the hallucinogenic drug LSD in highly concentrated form.

【俚】含有高浓度的小粒迷幻剂。