三好学生的英文：
merit student; three good student (good in study, attitude and health)

参考例句：

"Be cited as a "three-good student" (who is good morally, a academically and physically)"
被评为〞三好学生〞

I was awarded Triple-A student last semester.
上学期我被评为三好学生。

merit是什么意思：
n. 价值；长处，优点；功过
v. 值得，应受

The contention is without merit.
这一论点没有法律依据。

merit reward, praise, punishment, etc
应获得奖励、 称赞、 处罚等

Her singing is totally without merit.
她的演唱一无是处。

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?

three是什么意思：
num. 三，三个

three coat,three bake
“三涂三烘” 工艺(反复涂三道漆，烘干三次的施工方法)

fiveteen contains five and three.
15可被5和3除尽。

To draw three feet of water
吃水三尺