英文: Pupil. He is studying.
中文: 学生。正在学习。英文: Today is yesterday's pupil.
中文: 今天是昨天的学生。英文: The pupil was expelled for stealing.
中文: 那学生因偷窃被开除。英文: Whose former pupil live in Leeds?
中文: 谁以前的学生住在利兹?英文: The iritis sphincter and pupil enlarging muscle can regulate the size of the pupil quickly.
中文: 虹膜括约肌、瞳孔放大肌能迅速调节瞳孔大小 ;