gemmology是什么意思？

• 解决方案英文
• chess翻译
• 造型的英文
• autumn
• silver
• 纪念品英语
• passage
• ticket
• satisfaction
• aspect
• 实施英文
• searches
• neck
• monitor
• profile
• candy
• cloud
• vehicle
• mind
• passage
• firmness
• failure
• 方案英语
• 参与者英文
• erased
• default
• lake
• ultra
• droplets
• bombarded

• approaches
• modernize
• panicked
• banger
• algiers
• fake
• 抛弃英文
• lycopene
• general
• giraffe
• 领域英语
• searches
• repeat
• sweater
• explore
• supper
• organizations
• rice
• tomato
• committing
• BARRIE
• reveal
• 分配英文
• various
• permitted
• juice
• saturday
• intermission
• lesson
• 呼吁英语

• electron tube
• vacuum tube
• way out
• Install the valve in
• be clear of
• blas
• vacuum valve
• put to the sword
• rambunctiously
• the authorities
• wage war
• comandante
• cycle racing
• boldfaced word
• boldface letter
• boldfaced character
• military camp
• broken ends
• Tadjrebeh
• newsreel
• sunshiny
• stereoplasm
• recordation
• dinkum oil
• hair follicle
• distinguish from