尚未找出原因的用英语怎么说？

• ultra
• 纪念品英语
• conflict
• narrow
• satisfaction
• theatre
• 缺陷英文
• lake
• neck
• cloud
• fiercely
• repeat
• default
• 领域英语
• 流浪者英文
• 分配英文
• passage
• permitted
• supper
• 权限英文
• firmness
• candy
• pear
• silver
• ticket
• lesson
• explore
• general
• committing
• juice

• droplets
• dragon
• emergency
• 实施英文
• 解决方案英文
• erased
• bombarded
• 旋律的英文
• predict
• failure
• saturday
• front
• 抛弃英文
• 造型的英文
• 确认英文
• general
• vehicle
• giraffe
• disappointed
• lycopene
• various
• 导师英文
• 参与者英文
• brat
• tomato
• text
• volume
• sweater
• reveal
• begins

• full of
• take a look
• changing room
• over there
• learn from
• long ago
• vote for
• talk about
• sailing boat
• ice cube
• play with
• be going on
• be going to
• happen to
• well done
• in a flash
• like lightning
• square root
• as as possible
• die of
• know about
• leave behind
• do a favour
• in pieces
• be done for
• escape from