求翻译：Usually, when I said that we were going to do some reading practice, the students shrug their shoulders. As if they are going to have a test. I noticed a little boy in the front. He frowned. It was Ma f eng. He is below average. I told them the four steps of doing this kind of reading. I wrote them on the blackboard. I analyzed a piece of reading. They became understand and began to read. After they finished, they looked at the blackboard and began to correct by themselves. They did what I said carefully.是什么意思？

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