origin tracing是什么意思？

• fake
• 导师英文
• mind
• vehicle
• passage
• 实施英文
• fiercely
• failure
• neck
• amazing
• 流浪者英文
• candy
• passage
• peeping
• emergency
• 解决方案英文
• bothering
• profile
• predict
• silver
• 长颈鹿英语怎么说
• general
• giraffe
• 旋律的英文
• lesson
• banger
• text
• PEGGING
• cheese
• volume

• 纪念品英语
• various
• bombarded
• committing
• client
• 造型的英文
• saturday
• modernize
• 来源英语
• explore
• sweater
• satisfaction
• rice
• reveal
• tomato
• monitor
• giraffe
• repeat
• toxicity
• 领域英语
• disappointed
• permitted
• maths
• intermission
• 呼吁英语
• ticket
• 缺陷英文
• 队长的英文
• prompt
• narrow

• keep on board
• keyboard instrument
• killer whale
• know better
• laden with
• later years
• lava cave
• lawn sprinkler
• lay claim to
• lead out
• liberal arts
• life cycle
• light bulb
• light court
• link to
• literary output
• living quarters
• lock system
• long johns
• lose consciousness
• love affair
• Lower World
• loyal to
• lubricating oil
• make an impact on
• make a tribute to
• make sketches of