optical source是什么意思？

• tourist
• approaches
• begins
• default
• tomato
• lake
• 分配英文
• ticket
• ultra
• 队长的英文
• crayon
• intermission
• front
• 解决方案英文
• theatre
• PAXLOVID怎么读
• BARRIE
• modernize
• 领域英语
• droplets
• failure
• firmness
• various
• client
• banger
• aspect
• passage
• 纪念品英语
• committing
• organizations

• reveal
• volume
• silver
• 旋律的英文
• 造型的英文
• searches
• 方案英语
• 确认英文
• vehicle
• 缺陷英文
• sweater
• searches
• monitor
• toxicity
• 权限英文
• narrow
• 抛弃英文
• giraffe
• cloud
• 参数英文
• panicked
• peeping
• giraffe
• autumn
• general
• PEGGING
• text
• satisfaction
• 参与者英文
• erased

• pelmatogram
• step dance
• fraenulium
• pes planus
• cause to move back
• human nature
• zianite
• Coastal areas
• materia medica
• stem the torrent of
• retirement pension
• bulk loading
• television studio
• a watch tower
• keep in repair
• pronghorns
• drug addiction
• skylark
• radiotelegram
• a stupendous sum
• Its mink skin
• oleamen
• mean and worthless
• a bird of passage
• air cushion boat