求翻译：Step 1: The teacher uses her numbers poster to count with the students from 100 to 10,000. Then write some numbers on the blackboard between 100 and 1,000 and ask for volunteers to say them out loud. For examples: 101: one hundred one, 426: four hundred twenty-six, 917: nine hundred seventeen Then the teacher introduces the new words.是什么意思？

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