invalidate 

58328
单词释义
vt.使无效,证明…错误,使站不住脚,使作废
词根词缀记忆/谐音联想记忆 补充/纠错
词根in 无 + valid 有效地 …………
其他怎么记补充/纠错
联想记忆in无+valid[看作value价值]+ate动词结尾 → 使无价值 …………
词性拓展记忆 / 词形拓展记忆
原形:invalidate第三人称单数:invalidates过去式:invalidated过去分词:invalidated现在分词:invalidating
词根记忆 / 词缀记忆
invalidate v 使….无效(in无+valid有效的+ate=有效变无效)
uail,ual = strong,表示”强壮”
avail v 利用n.利益(a使+ail=使….强壮=利用[力量])
available a  …………
单词例句
In one of the cases, Apple Computer Trading (Shanghai) Co applied to the China National Intellectual Property Administration to invalidate an invention patent granted to Qualcomm, but the administration decided it should be maintained.
Earlier this week, TikTok announced that it has filed a petition to a federal appeals court seeking to invalidate the US government's divestiture order issued on Aug 14.
考试真题例句(机器翻译仅供参考)
全部
考研
六级

考研They could still invalidate Fourth Amendment protections when facing severe, urgent circumstances, and they could take reasonable measures to ensure that phone data are not erased or altered while a warrant is pending.

在面临严峻、紧急的情况时,他们仍然可以使《第四修正案》的保护失效,并且他们可以采取合理的措施确保手机数据在搜查令悬而未决期间不会被删除或更改。

2015年考研阅读原文

考研In effect, the White House claimed that it could invalidate any otherwise legitimate state law that it disagrees with.

实际上,白宫声称它可能会使它不同意的任何其他合法的州法律无效。

2013年考研阅读原文

考研They could still invalidate Fourth Amendment protections when facing severe, urgent circumstances, and they could take reasonable measures to ensure that phone data are not erased or altered while waiting for a warrant.

当面临严峻、紧急的情况时,他们仍然可以使《第四修正案》的保护失效,并且他们可以采取合理的措施确保在等待搜查令时手机数据不会被删除或更改。

2015年考研真题(英语一)阅读理解 Section Ⅱ

六级“These errors no more invalidate Ms. Merian's work than do well-known misconceptions published by Charles Darwin or Isaac Newton,” Dr. Etheridge wrote in a paper that argued that too many have wrongly focused on the mistakes of her work.

埃瑟里奇博士在一篇论文中写道:“这些错误与查尔斯·达尔文或艾萨克·牛顿发表的众所周知的误解一样,不会使梅里安女士的工作无效。”该论文认为,太多人错误地关注了她的工作中的错误。

2018年12月6级真题第二套

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