underused是什么意思？

• failure
• bothering
• aspect
• 导师英文
• 缺陷英文
• giraffe
• cheese
• approaches
• organizations
• 领域英语
• passage
• monitor
• narrow
• fake
• 队长的英文
• BARRIE
• autumn
• crayon
• lesson
• client
• lake
• text
• volume
• supper
• brat
• front
• peeping
• PEGGING
• repeat
• 来源英语

• 参与者英文
• 抛弃英文
• reveal
• 呼吁英语
• vehicle
• droplets
• pear
• modernize
• default
• permitted
• searches
• bombarded
• satisfaction
• prompt
• searches
• profile
• ultra
• scared
• theatre
• predict
• lycopene
• silver
• disappointed
• 参数英文
• fiercely
• tourist
• dragon
• amazing
• 分配英文
• general

• set upright
• elliptic vessel
• academic world
• play the guitar
• utter sad calls
• design diagram
• The chess game
• limit stop
• next world
• usualness
• nitrate of potash
• weaken or disappear
• government finance
• For magazines
• Tripline
• hydatid disease
• yield surrender
• Heworks
• Sprat
• stamp crushing
• a phrase or two