four-part是什么意思？

• PEGGING
• satisfaction
• monitor
• 旋律的英文
• theatre
• lesson
• scared
• ticket
• 流浪者英文
• front
• polite
• fake
• 抛弃英文
• failure
• 造型的英文
• giraffe
• profile
• volume
• 缺陷英文
• pear
• 方案英语
• fiercely
• rice
• approaches
• 来源英语
• aspect
• organizations
• begins
• intermission
• firmness

• erased
• algiers
• explore
• 权限英文
• mind
• bombarded
• searches
• BARRIE
• giraffe
• various
• searches
• dragon
• passage
• 队长的英文
• permitted
• modernize
• crayon
• 纪念品英语
• neck
• ultra
• vehicle
• disappointed
• lake
• general
• autumn
• client
• brat
• 导师英文
• tourist
• banger

• cook dinner
• draw pictures
• listen to music
• read a book
• see you later
• write a letter
• drink water
• catch butterflies
• collect leaves
• count insects
• do an experiment
• pick up leaves
• watch insects
• write a report
• traffic rule
• after school
• science museum
• shoe store
• comic book
• fruit stand
• go to the cinema
• next week
• pet shop
• post card
• read a magazine
• take a trip
• this afternoon
• this evening
• this morning