n. the contractile aperture in the center of the iris of the eye; resembles a large black dot
n. 学生, 门生, 未成年人, 瞳孔
[医] 瞳孔
1. The teacher asked the pupil to read aloud in class.
老师让学生在课堂上大声朗读。
2. Each pupil is required to bring their own supplies to school.
每个学生都需要自带学习用品上学。
3. The pupil showed great improvement in his math skills.
这名学生在数学技能上有了很大的进步。