substantiate 

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GRETOEFLIELTS
单词释义
vt.证实,证明
词根词缀记忆/谐音联想记忆 补充/纠错
词根sub 下 + stant 站,立 + iate 使 …………
其他怎么记补充/纠错
口诀记忆sub(下)+stand(站)+i+ate(V后缀) → 牛顿站在树下被苹果砸中证实了万有引力 …………
词性拓展记忆 / 词形拓展记忆
原形:substantiate第三人称单数:substantiates过去式:substantiated过去分词:substantiated现在分词:substantiating
对比记忆 / 类比记忆 / 形近词记忆
词根记忆 / 词缀记忆
substantiate v 证实(sub+stant+iate=[把理论]物质化=证实)
st, sta, stat, stan, stant, stin = stand, 表示”站,立”
stable a 稳定的(st+able=能站的=稳定的) …………
单词例句
The committee also accused TikTok of transferring US user information to a Chinese server and cooperating with the Chinese government's content review, but so far it has not given any public evidence to substantiate its allegation.
考试真题例句(机器翻译仅供参考)

考研You should go through the paper many times— and then again—working to substantiate and clarify your ideas.

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