optical source是什么意思？

• vehicle
• intermission
• default
• sweater
• brat
• tomato
• banger
• 缺陷英文
• firmness
• 造型的英文
• amazing
• general
• candy
• droplets
• conflict
• algiers
• giraffe
• 来源英语
• various
• permitted
• peeping
• volume
• silver
• chess翻译
• dragon
• profile
• 分配英文
• scared
• 局外人英文
• toxicity

• theatre
• modernize
• erased
• cloud
• ticket
• 参数英文
• 解决方案英文
• repeat
• reveal
• lesson
• bothering
• text
• maths
• PEGGING
• 纪念品英语
• 确认英文
• BARRIE
• failure
• 呼吁英语
• disappointed
• committing
• giraffe
• 方案英语
• saturday
• lake
• explore
• front
• aspect
• lycopene
• cheese

• dishwater
• dishy
• disilane
• disilicate
• disilicide
• disillusion
• disillusioned
• disillusionize
• disillusionment
• disiloxane
• disilthianoxy
• disimmune
• disimmunity
• disimpaction
• disimpassioned
• disimprison
• disimprisonment
• disincentive
• disincentives
• disinclination
• disincline
• disincorporate
• disincrustant
• disinfect
• disinfectant
• disinfection
• disinfectioner
• disinfector
• disinfest
• disinfestation