He advocates streaming children, and educating them according to their needs.是什么意思？

He advocates streaming children, and educating them according to their needs.

他提倡把学生按能力分班，因需施教。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

advocates

n. （辩护）律师( advocate的名词复数 )，提倡者，辩护律师，[A-]基督；v. 提倡( advocate的第三人称单数 )，拥护，鼓吹，为…辩护；

例句
Gun control advocates are lobbying hard for new laws...
枪械管制支持者正努力游说通过新法。

streaming

n. 流动，绕流，滂沱，涔涔；

例句
The sun was streaming in through the window, yet it did nothing to lighten his mood.
阳光透过窗户照进来，可是这也不能让他的心情开朗起来。

children

n. 孩子们(child的复数)，儿童，膝下，孥；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

educating

v. 教育( educate的现在分词 )，训练，培养，教导，教养；

例句
He advocates streaming children, and educating them according to their needs.
他提倡把学生按能力分班，因需施教。

them

pron. 他们，她们，它们；

例句
I take care of them to the best of my abilities...
我尽我所能地照顾他们。

according

adv. 依照；v. 给予( accord的现在分词 )，使和谐一致，使符合，使适合；

例句
Rocks can be classified according to their mode of origin...
可以根据岩石的成因对其进行分类。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

needs

adv. （现与must前后连用）必须，一定，务必；v. 需要，必须( need的第三人称单数 )，（表示应该或不得不做）有必要；

例句
A sick person needs absolute confidence and trust in a doctor.
病人需要对医生有绝对的信心和信任。