teaching materials (教材，教學材料)

teaching materials
教材
teaching materials (教材)
教材 (teaching materials)

teaching materials
教材，教學材料
teaching materials (教材，教學材料)
教材，教學材料 (teaching materials)

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資訊來源：

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Placeholder 湯偉晉編寫的英文字典

Placeholder 湯偉晉編寫的英文字典

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