invalid in'vælid
释义
n. 病人, 残废者
a. 有病的, 无效的
英文释义
n. someone who is incapacitated by a chronic illness or injury
v. force to retire, remove from active duty, as of firemen
a. having no cogency or legal force
s. no longer valid
词形变化
复数: invalids 现在分词: invaliding 过去式: invalided 第三人称单数: invalids 过去分词: invalided
BNC词频排名: 7,986 | 当代语料库词频排名: 17,470