“u l p i p”可以组成的单词是：pupil
释义：
1. pupil: n. 学生,（尤指）小学生；
例：Amy was a pupil in Grade Three. 艾米是一名三年级的学生。
She is loved by every pupil. 她深受每个学生的喜爱。
2. pupil: n. 瞳孔
例：The sick man's pupils were dilated. 病人的瞳孔放大了。
Pupil dilation is an honest indicator of interest and attraction。瞳孔放大是兴趣和吸引的真实指示器。
