switchbacks是什么意思？

• volume
• PAXLOVID怎么读
• peeping
• passage
• organizations
• 领域英语
• 来源英语
• 局外人英文
• 参数英文
• ultra
• firmness
• satisfaction
• predict
• default
• narrow
• 呼吁英语
• profile
• modernize
• algiers
• lycopene
• approaches
• emergency
• 导师英文
• 权限英文
• crayon
• permitted
• aspect
• tomato
• fake
• cloud

• giraffe
• toxicity
• lake
• giraffe
• theatre
• text
• 参与者英文
• pear
• searches
• BARRIE
• 解决方案英文
• supper
• mind
• front
• scared
• 实施英文
• begins
• failure
• 抛弃英文
• reveal
• erased
• 方案英语
• 确认英文
• juice
• 旋律的英文
• repeat
• candy
• silver
• vehicle
• bothering

• fall out
• fall over
• family name
• fancy woman
• fashion plate
• faux pas
• feature film
• fellow worker
• figure out
• file away
• fill in
• fill out
• filter out
• financial statement
• find out
• finish off
• fire up
• first and foremost
• first name
• first of all
• first off
• fit in
• fit out
• fix up
• flat tire
• fly high
• focal point
• focus on
• fold up
• follow out