student 和pupil有什么区别

pupil 多指小学生
student (通用)学生

pupil
[5pju:pl, 5pju:pil]
n.
学生, 小学生, 瞳孔

pupil
pu.pil 1
AHD:[py›“p…l]
D.J.[6pju8p*l]
K.K.[6pjup*l]
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

Middle English pupille [orphan]
中古英语 pupille [孤儿]
from Old French
源自 古法语
from Latin p¿s [diminutive of] p¿pus [boy]
源自 拉丁语 p¿s [] p¿pus的小后缀 [男孩]

pupil
pu.pil 2
AHD:[py›“p…l]
D.J.[6pju8p*l]
K.K.[6pjup*l]
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

Middle English
中古英语
from Old French pupille
源自 古法语 pupille
from Latin p&