epideictic
[ˌepɪ'daɪktɪk]
adj.
（文体、演讲等）意在表现词藻技巧的，富于词藻的;
例句:
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Epideictic rhetoric expresses the underlying world view of the narrative.
来自BBC
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The Second Sophistic in the first and second centuries of the Common Era was a period when epideictic was honed.
来自BBC