back scattering是什么意思？

• candy
• explore
• lycopene
• prompt
• autumn
• 纪念品英语
• bothering
• volume
• modernize
• conflict
• crayon
• 抛弃英文
• PEGGING
• ultra
• 来源英语
• amazing
• silver
• begins
• tomato
• supper
• theatre
• 缺陷英文
• 队长的英文
• 局外人英文
• general
• 确认英文
• 参数英文
• text
• neck
• sweater

• repeat
• 领域英语
• general
• vehicle
• 方案英语
• 呼吁英语
• erased
• BARRIE
• juice
• 权限英文
• pear
• 造型的英文
• 长颈鹿英语怎么说
• client
• committing
• emergency
• intermission
• aspect
• dragon
• lesson
• searches
• cheese
• PAXLOVID怎么读
• ticket
• giraffe
• mind
• monitor
• permitted
• disappointed
• polite

• come over sb
• come sth to light
• come to nothing
• come to nought
• come to sb
• come up against
• commit oneself
• consist in
• consist of
• culminate in
• curriculum vitae
• cut across sth
• cut corners
• cut sth down
• dead beat
• do sb a favour
• do sth in bad faith
• do sth in good faith
• do with
• eke out
• face up to sth
• fall back on
• fall behind with
• fall short of
• fend off