1. 学生；小学生
The pupils of a school are the children who go to it.
e.g. Over a third of those now at secondary school in Wales attend schools with over 1,000 pupils...
威尔士现在的初中生中有1/3以上的人就读的学校学生总数超过1,000人。
e.g. Eleanor was a reluctant, anxious pupil.
埃莉诺是个扭捏局促的小学生。
2. 弟子；门生
A pupil of a painter, musician, or other expert is someone who studies under that expert and learns his or her skills.
e.g. After his education, Goldschmidt became a pupil of the composer Franz Schreker.
学业结束后，戈尔德施米特成了作曲家弗朗兹·施雷克尔的学生。
3. 瞳孔
The pupils of your eyes are the small, round, black holes in the centre of them.
pupil的翻译