Fewer students are opting for science courses nowadays.是什么意思？

Fewer students are opting for science courses nowadays.

现在选修理科的学生少了.

fewer

pron. （动词用复数）较少数；adj. 较少的，不多的( few的比较级 )，很少，（与复数名词和复数动词连用）有些，几个；

例句
The company plans to cut a quarter of its workforce over six years through natural attrition and fewer hirings.
公司计划在6年内通过人员自然流失和减少雇用使员工总数减少1/4。

Students

n. 学生，大学生( student的名词复数 )，研究者，中学生；

例句
Part-time English classes are offered. In addition, students can take classes in word-processing and computing...
开设了非全日制的英语班。另外，学生可以修读文字处理和计算机课程。

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

opting

v. 选择，挑选( opt的现在分词 )；

例句
Next year's crop of undergraduates opting to take physics represents just 2 per cent of all undergraduates.
明年选修物理的大学生仅占大学生总数的2%。

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

science

n. 科学，技术，知识，学科，理科；

例句
It is accepted wisdom that science has been partly responsible for the decline of religion.
人们普遍认为，科学的兴起是宗教衰落的部分原因。

courses

n. 课程，路线，前进( course的名词复数 )，进程，课程，方针；

例句
It is probably easier to make an analogy between the courses of the planets, and two trains travelling in the same direction.
将行星的运行比作两列火车朝同一方向行驶可能更容易些。

nowadays

adv. 现在，当今；n. 当今，现在；

例句
Few people nowadays are able to maintain friendships into adulthood.
如今很少有人能将友谊维持到成年。