单词	pupil
释义	pupilpupil /ˈpyupəl/ ●○○ noun [countable] Etymology ETYMOLOGYpupil Origin: (1) 1300-1400 Old French pupille, from Latin pupa girl, doll; because of the small image of yourself which you can see in someone else’s eye Collocations COLLOCATIONS► pupils ... dilate  The drops cause the pupils to dilate (=get bigger). 1 science, biology the small black round area in the middle of the eye which controls how much light is allowed to enter the eye:  The drops cause the pupils to dilate (=get bigger).2formal someone who is being taught, especially a child SYN student [Origin: (1) 1300–1400 Old French pupille, from Latin pupa girl, doll; because of the small image of yourself which you can see in someone else’s eye]
随便看	role-play role-playing game roll roll bar roll call rolled oats roller Rollerblade rollerblade rollerblading roller coaster roller skate roller-skate roller skating roller towel rollicking rolling rolling friction rolling mill rolling pin rolling stock roll-on rollover roll-top desk Rolodex

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