shuttle back and forth是什么意思？

• disappointed
• failure
• aspect
• 队长的英文
• searches
• lesson
• profile
• monitor
• 呼吁英语
• 权限英文
• searches
• fake
• 领域英语
• volume
• narrow
• 确认英文
• algiers
• scared
• mind
• cloud
• intermission
• 抛弃英文
• supper
• explore
• general
• droplets
• firmness
• erased
• brat
• emergency

• silver
• 旋律的英文
• satisfaction
• 参数英文
• neck
• client
• modernize
• 解决方案英文
• 造型的英文
• 分配英文
• permitted
• rice
• cheese
• tomato
• giraffe
• approaches
• 缺陷英文
• lake
• ticket
• tourist
• candy
• 局外人英文
• 方案英语
• repeat
• chess翻译
• polite
• general
• PEGGING
• saturday
• 流浪者英文

• cingula
• cinnamons
• circuited
• circuiting
• circuities
• circularized
• circularizing
• circularizes
• circulations
• circulators
• circumambulated
• circumambulating
• circumambulates
• circumcising
• circumcises
• circumferences
• circumflexes
• circumfused
• circumfrsed
• circumfusing
• circumfuses
• circumlocutions
• circumnavigated
• circumnavigating
• circumnavigates
• circumnavigations
• circumnutated
• circumnutating
• circumnutates
• circumscribes