invalid怎么读,invalid的音标和真人发音
英音  [ɪn'vælɪd]    
美音 [ˈɪnvəlɪd]    
音节划分:in-valid

invalid是什么意思,invalid的意思是

adj.无效的;不能成立的;有病的;病人用的
vt.使伤残;使退役;失去健康
n.病人,病号;残废者;伤病军人
vi.变得病弱;因病而奉命退役

invalid 记忆方法

invalid的词根或词缀是: vail  val  val  valu  

invalid 变化形式

复数: invalids
第三人称单数: invalids
过去式: invalided
过去分词: invalided
现在分词: invaliding
所属分类: CET6TEM4IELTS考 研
使用频率:
星级词汇:

invalid的词源和记忆技巧

invalid 无效的
in-,不,非,valid,有效的。

invalid 的用法和双语例句“点击”或“选中”例句中的单词,就可以看到词义解释

But monitors noted only a few isolated cases of administrative errors , and none of the organizations declared the vote invalid .
但监督机构仅指出了几个行政失误的个案,也没有任何一家组织宣告投票结果无效。
In a unanimous ruling the us supreme court has rendered invalid two patents covering a method for determining proper drug dosage .
美国最高法院一致通过对两项无效专利的裁决,其中包括确定适当的药物剂量的一种方法。
On august 21st the constitutional court declared invalid a referendum on mr basescu 's impeachment that was held on july 29th .
8月21日,宪法法院宣布,7月29日关于弹劾巴塞库斯的公民投票无效。
Between 1950 and 1975 three out of every four patents in the circuit courts were ruled invalid or not infringed .
在1950年至1975年间,在巡回法院,每四起专利诉讼中有三起被判无效或未侵权。
They should be declared invalid and certainly not be abused as a bureaucratic hurdle to prevaricate in a dangerous crisis .
应宣布它们无效,同时,当然也不应作为在一场危险的危机中推诿搪塞的官僚障碍被滥用。
Mr. hood said all but 22 of those pardoned had failed to meet this requirement , rendering their pardons invalid .
hood说,其中有22名被赦免的罪犯未满足这个要求,致使这一部分的赦免是无效的。
A cumbersome poll earlier this year was ruled invalid by the courts , so mr morsi now has near-dictatorial powers .
今年早期的一项低效的民意调查被法院判为无效,因此穆尔西现在拥有近乎独裁的权利。
It claims the tender was invalid because it made assumptions about changes to safety regulations while they are still under discussion .
阿尔斯通宣称投标是无效的,因为这次投标是基于相关安全管理条例规则变化的假设,然而变化的规则尚未出台,还正处于商讨阶段。
The court reasoned that since ubs hadn 't obtained such consent and had not registered the guarantee , the guarantee was invalid .
最高人民法院的判决理由是,瑞士银行没有获得担保人的同意,也没有对担保进行登记备案,因此担保是无效的。
If the commission and european union member states deemed france 's arguments invalid , france would probably receive an order to lift its ban , a decision it could then appeal .
如果欧盟委员会和欧洲联盟的会员国认为法国的论据是无效的,法国将有可能收到解除禁令的命令;它便可以提出上诉。

invalid同义词

debilitated   frail   ineffective   infirm   sickly   unhealthy   void   weak   

invalid反义词

strong   tough