pupil

pupil, student, learner, scholar

名词 pupil:

1. a learner who is enrolled in an educational institution
   同义词：student, educatee
2. contractile aperture in the iris of the eye
3. a young person attending school (up through senior high school)
   同义词：schoolchild, school-age child

1. A teacher can't give individual attention to each pupil if his class is large.
   如果班上的人数多，老师就不能给予个别辅导了。
2. The headmaster has made a decision of suspension of a pupil from school.
   校长已经做出对一名学生停学处分的决定。
3. The singer was accompanied at the piano by his pupil.
   演唱者由他的学生担任钢琴伴奏。
4. The painting is the work of a pupil of Rembrandt.
   这幅画是伦勃朗的一位弟子的作品。
5. How many pupils are there in your class?
   你的班里有多少名小学生？

pupil

n.（名词）
A student under the direct supervision of a teacher or professor.
学生：在老师或教授直接监督下的学生
Law A minor under the supervision of a guardian.
【法律】 未成年人：在保护人监护下的未成年人

来源：
Middle English pupille [orphan]
中古英语 pupille [孤儿]
from Old French
源自 古法语
from Latin pôpillus [diminutive of] pôpus [boy]
源自 拉丁语 pôpillus [] pôpus的小后缀 [男孩]

pupil
pupil 2

n.（名词）
The apparently black circular opening in the center of the iris of the eye, through which light passes to the retina.
瞳孔：暴露于眼睛虹膜中央明显的黑色圆形，光线通过此孔才能达到视网膜

来源：
Middle English
中古英语
from Old French pupille
源自 古法语 pupille
from Latin pôpilla [little doll, pupil of the eye (from the tiny image reflected in it)] * see pupil
源自 拉丁语 pôpilla [小玩偶，眼睛的瞳孔（源于于瞳孔反射的小的形象）] *参见 pupil

【引伸】
pu.pilar
adj.（形容词）