失效用英语怎么写

invalid

失效───invalid

This certificate is invalid.───此证明无效.

Dr. Smith looked in on the invalid the day before yesterday.───史密斯大夫前天去看望那个病人.

The proxy server received an invalid response from an upstream server.───代理服务器接收到了来自逆行服务器(总服务器)的无效回答.

This is an invalid assumption.───这是一个无根据的假设.

Invalid Syntax. Cannot specify password without specifying username name.───无效语法. 不能指定密码而不指定用户名.

An invalid collating element was specified in a [ . name . ] block.───块中指定了非法的对照元素.

Her grandfather is an invalid.───她的祖父是一个残疾人.

The disease changed him from an athlete to an invalid.───疾病将他从一名运动员变为病号.

He helps to look after his grandfather who is an invalid.

The treaty was declared invalid because it had not been ratified.

Unless a check is signed, it is invalid.

Your action has rendered our contract invalid.

A passport that is out of date is invalid.