求翻译：他们还必须了解到这位同学读的是一本书还是一堆书，读书这件事是在我们陈述前就结束了，还是一直在继续，还是还没有开始，而俄国人，除了了解读书的状态之外，还必须了解读书人的性别，不然他们是没有办法表达此事的。是什么意思？

They must also understand that the students read a book or a pile of books, reading it before our statements to the end, or have been continuing, or has not yet begun, and the Russians, in addition to understanding study outside the state, must also understand the reader's gender, or they do not hav

They must also understand that this is the students who read a book or a stack books, reading this thing in our statement before the end of the one, or has been, has not yet started, and Russian, in addition to understanding of reading, it is also important to understand the gender scholar, otherwis

They also must understand this schoolmate reads is a book is pile of books, studies this matter is in us before stated had finished, is continuing continuously, has not started, but the Russian, the condition which studies besides the understanding, but also must understand scholar's sex, otherwise

They must also understand that the student is reading a book or a pile of books, reading about it in our statements before the end, still has continued, still hasn't started, and the Russians, in addition to understanding the State of reading, you must also understand the student's gender, they have

正在翻译，请等待...