词典释义：
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The results of the tests substantiated his claims.
这些检验的结果证实了他的说法。
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Earlier reports of gunshots have not been substantiated.
早先关于枪击的报道还没有被证实。
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The statement has never been substantiated.
这一陈述从未得到证实。
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Neither version has so far been substantiated.
这两种版本都没得到证实。
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They made accusations which could not be substantiated.
他们提出的指控不成立。
词根 substantial
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substantial adj. 大量的；实质的；内容充实的 n. 本质；重要材料
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substantive adj. 有实质的；大量的；真实的；独立存在的 n. 名词性实词；独立存在的实体
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substantiation n. 证实；实体化
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substantiality n. 实体；实质性；真实价值；内容
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substantiate vt. 证实；使实体化