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2020 Chemistry Paper Review (Rerun) - Promotion of coming activities
2020 Chemistry Paper Review (Rerun) 
CityU Science Challenges 2021
「生活中的檢測」實驗工作坊
2020 Chemistry Paper Review (Rerun) - Promotion of coming activities
2020 Chemistry Paper Review (Rerun)
CityU Science Challenges 2021
「生活中的檢測」實驗工作坊
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