電動掃地車(DSP_008001) Finished

每天早上都能舒舒服服地走到學校，是我們的福氣，香港上每一條乾淨的街道都是全靠清道夫！每早清晨，他們都默默地為我們打造出一條條清潔的街道。但是...看到他們彎著腰就覺得很辛苦了。所以我們要設計一輛電動掃地車！

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