| 词汇 | vitiator |
| 词根词缀 | 725. viti=fault 表示“错误”vitiate,vitiation,vitiator vitiate★★★ v. 污染；使堕落；损害 viti＋ate（使）→使错误→使堕落 Development programmes have been vitiated by the downturn of the economy. 发展计划受到了经济低迷的影响。 vitiation★★★ n. 损害；污染 air vitiation 空气污染 vitiator★★★ n. 损害的人；使失效的人 |
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