| 单词 | portentous |
| 例句 | portentous adjective 1.•portentous signs:ominous, warning, premonitory, threatening, menacing, ill-omened, foreboding, inauspicious, unfavorable. 2.•portentous dialogue:pompous, bombastic, self-important, pontifical, solemn, sonorous, grandiloquent. |
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