1·Amy was a pupil in Grade Three.
艾米是一名三年级的学生。
2·Mark was a clever pupil.
马克是一个聪明的学生。
3·She is loved by every pupil.
她深受每个学生的喜爱。
4·They are late, chew gum, talk to deskmates and have to be reprimanded and sent to the headteacher who is also a senior pupil.
他们迟到，嚼口香糖，和同桌说话，必须受到训斥，并被送到同样是高年级学生的班主任那里。
5·When this slight disagreement was over, they were friends again and as busy as possible in their several occupations of pupil and teacher.
这场轻微的不和过去后，他们又成了朋友，并且在他们学生和老师的几项工作上忙得不可开交。
1·These complex formulae are beyond the grasp of the average pupil.
这些复杂的公式是一般小学生不能理解的。
—— 《牛津词典》
2·On a bare stage with a couple of heavily annotated books, Mr Sands is like an eager pupil in a natty suit, charismatic yet nervous.
光秃秃的舞台上只有两三本书，书上有大量的注解，詹德斯象一名热切的小学生，穿着整齐的西装、充满魅力，但也紧张不安。
3·It seems a gargantuan task to teach a pupil to memorize every word he needs to know, much as if the child were being asked to shovel a huge pile of sand, with the shovel shut away.
教一个小学生去死背他们需要掌握的每一个单词，看来真是一项浩繁的任务，可更像要一个孩子铲掉一大堆沙子，却不给他铲子。
4·On average, a primary school pupil's school bag weighs 4.2 kg, 53.8 per cent heavier than the recommended weight - which is 10 per cent of a pupil's weight.
小学生书包平均重4.2公斤，超过标准达百分之53.4 .书包标准重量等同学童重量的百分之十。
5·Well, take Westminster, a London school (full disclosure: Bagehot was a pupil).
那么，拿伦敦一所学校---威斯敏斯特来说吧（全披露：白哲特当时还是个小学生）。
1·The theory is that a white sclera surrounding a darker iris and pupil helps people work out where everyone else is looking.
该理论认为，围绕在深色虹膜和瞳孔周围的白色巩膜帮助人们判断出其他人在看哪里。
2·LASIK eye surgery changes the shape of your cornea—the transparent membrane that arcs over your pupil and the colored part of your eye (iris).
LASIK 眼科手术改变了你的角膜的形状——角膜是覆盖在你的瞳孔和你的眼睛的有色部分（虹膜）上的弧形透明膜。
3·The "pretectum" controls the size of the pupil.
“前顶盖”控制瞳孔的大小。
4·To the naked eye, the symbols are hard to distinguish, but with a magnifying glass you can see the letters LV behind the right pupil (the left when watching the painting).
用肉眼看来，很难辨识这些符号，不过通过放大镜你可以看到在右边瞳孔(从画作上看是左边)后隐藏的字母lv。
5·Pupillometrics is a method of measuring blinking rates and pupil dilation or constriction, which can be done with video recordings and careful later analysis.
瞳孔识别是一种观察眨眼频率和瞳孔扩张、收缩的方法。通常是事先录下视频然后再仔细观察分析。