Failure to recognize validity是什么意思？

• front
• toxicity
• mind
• algiers
• tourist
• 来源英语
• candy
• satisfaction
• vehicle
• bombarded
• brat
• scared
• permitted
• explore
• modernize
• searches
• saturday
• 解决方案英文
• profile
• 方案英语
• 领域英语
• silver
• BARRIE
• passage
• emergency
• 缺陷英文
• 参数英文
• general
• searches
• crayon

• erased
• droplets
• pear
• 导师英文
• default
• neck
• fiercely
• juice
• organizations
• 实施英文
• prompt
• text
• lesson
• conflict
• maths
• client
• disappointed
• 分配英文
• 权限英文
• monitor
• cheese
• various
• narrow
• rice
• aspect
• dragon
• reveal
• predict
• repeat
• 抛弃英文

• smithy
• stithy
• soap bubble
• ultramarine
• oxford blue
• smalt
• steatolysis
• side step
• double concave
• exequial
• obsequial
• acaroid resin
• xanthorrhoea
• main stream
• main trend
• she had a good idea
• mail plane
• The same facet of
• sadder
• most sadly
• more sadly
• unsafety
• invalnerability
• shellback
• piquantness
• proselyte
• skylab