学生比的英文：
student's ratio

参考例句：

A sedulous student
孜孜不倦的学生

Large numBer of students
大批学生

The students are greedy for knowledge.
学生们对知识如饥似渴。

Today is yesterday's pupil.
今天是昨天的学生。

A resident tutor
住在学生家中的家庭教师

The teacher reproved the pupil for being late.
老师责备学生迟到。

Honest students despise cheating.
诚实的学生鄙视作弊

A linguistics major.
专修语言学的学生

Cadet corps
学生军训队

It can be fun to look Back on what you did in school.
回忆学生生活是有趣的。

student是什么意思：
n. 学生，学习者，研究者

a tardy student
迟到的学生

There is not a student in the classroom.
教室里一个学生也没有。

Are you a student or a thug?
你是学生还是凶手?

The student was afraid of the strap.
这个学生很害怕皮条。

Few students attended the meeting.
没几个学生出席会议。

ratio是什么意思：
n. 比率；比例

neutralization ratio
中和比率|中和比例

This is the prime ratio of the nascent increments
这是最初增量的最初比。

Asset quality ratios: Ratios that measure the quality of assets of a lending institution.
资产质量比率:衡量贷款机构资产质量的各种比率。

Gearing ratio [IFC]: Ratio of outstanding investments and guarantees to the capital base.
资本搭配比率[国际金融公司]:指投资和担保余额与基础资本之间的比率。

This value has been called the canonical ratio.
这个数值称为“正则比值”。