求翻译：带领学生做a, e, i, o, u字母操。讲解字母a, e, i, o, u在课本中所给单词中的发音和这些单词的发音技巧。教师让学生们尝试着练习这些单词的发音。教师引导学生想其他符合这些发音规律的单词。最后带领学生一起齐读单词。是什么意思？

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Lead students to do a, e, I, o, u letter. Explain the letters a, e, I, o, u in the textbooks of the word pronunciation skills and pronunciation of these words. Teacher asked the students to try to practice the pronunciation of these words. Teachers guide students to think in line with these words pr