首先，教材表明当时城市中的一些学校是男女分开教学的，这种教学实践是苏联(USSR)在1943年引入到如莫斯科、列宁格勒和其他一些这类的大城市。

First of all, it reflects the fact that some schools practiced separate education for boys and girls, which was introduced in 1943 in Moscow, Leningrad and some other big cities of the USSR.

youdao

这本书仍然花了300页的篇幅记叙男女主人公分开之后发生的事。

When the hero and heroine are separated, the book still has 300 pages to go.

youdao

这只是许多针对男孩女孩不同天性的研究中的一个，但是你不能就此得出男女生应该被分开的结论。

This is one study, among many, which detects very small differences between boys and girls. But you can't say that it means boys or girls should be separated.

youdao