invalid是什么意思_invalid怎么读_中英文释义(含例句用法)

invalid: invalid: see valid
invalid (adj.1): "not strong, infirm," 1640s, from Latin invalidus "not strong, infirm, weak, feeble," from in- "not" (see in- (1)) + validus "strong" (see valid). Specific meaning "infirm from sickness, disease, or injury" is from 1640s.
invalid (adj.2): "of no legal force," 1630s, from special use of Latin invalidus (see invalid (adj.1)).
invalid (n.): 1709, originally of disabled military men, from invalid (adj.1). Invalides is short for French Hôtel des Invalides, home for old and disabled soldiers in the 7th arrondissement of Paris.

词态变化

复数 invalids;
第三人称单数 invalids;
过去式 invalided;
过去分词 invalided;
现在分词 invaliding;

权威造句

1. Margaret resides with her invalid mother in a London suburb.: 玛格丽特同她病弱的母亲住在伦敦郊区。

2. At best Nella would be an invalid; at worst she would die.: 内拉往好里说会落下残疾，往坏处说可能会生命不保。

3. The treaty was declared invalid because it had not been ratified.: 条约没有得到批准，因此被宣布无效。

4. A passport that is out of date is invalid.: 护照过期是无效的.

5. 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.

近反义词

infirm 体弱的

weak 弱的

unhealthy 不健康的

void 空的

patient 有耐心的

ineffective 无效的

frail 脆弱的

debilitated 虚弱的

sickly 病弱的

null and void [法律]无效

unacceptable 不能接受的

untrue 不真实的

unfounded 无事实根据的...

illogical 不合逻辑的

enfeebled 动词enfeeble的过...

convalescent 恢复期的

validate 使生效

feckless 软弱的

incapacitate 使不能

handicap 障碍

disable 使 ... 失去能力...

shut-in 卧病在家的人...

相似短语

invalid destination 非正确目的地

invalid instruction 无效指令

invalid punch 无效穿孔

invalid cheque 【法】无效支票

invalid vourcher 【经】无效证件, 无效保证, 无效凭单

invalid call 非正确呼叫

invalid key 无用键

invalid kitchen 营养厨房

invalid name 无效名，不正确名称

invalid target 无效部位

单词分析

暂无,等待补充.

记忆方法

1、val- "be strong" + -id.
2、含义：strong, effective, having force in law, legally binding, supported by facts or authority.
3、in- "not" + valid.

invalid是什么意思，invalid怎么读

invalid基本信息

英英释义

中英词源