n. 千变万化的情景, 幻灯的一种, 幻影汇集, 幻觉效应

[ noun ]
a constantly changing medley of real or imagined images (as in a dream)
<noun.cognition>

Phantasmagoria \Phan*tas`ma*go"ri*a\, n. [NL., from Gr. ? a
phantasm + ? an assembly, fr. ? to gather: cf. F.
phantasmagorie.]
1. An optical effect produced by a magic lantern. The figures
are painted in transparent colors, and all the rest of the
glass is opaque black. The screen is between the
spectators and the instrument, and the figures are often
made to appear as in motion, or to merge into one another.

2. The apparatus by which such an effect is produced.

3. Fig.: A medley of figures; illusive images. ``This mental
phantasmagoria.'' --Sir W. Scott.