
invalid request 无效的请求;
invalid
adj.(法律上或官方)不承认的;无效的;无充分事实的;
n.病弱者;
v.(因伤病)令…退役;
第三人称单数 invalids;复数 invalids;现在分词 invaliding;过去式 invalided;过去分词 invalided
This certificate is invalid.
这张证明已失效。
The invalid is able to get about now.
病人能走动了。
He had to look after his invalid brother.
他不得不照看他有病的弟弟。