1)List three scientific inventions that you use in your daily life.
2)Below are two scientific inventions.State ONE possible bad effect for each of them.
1)Detergent_____________ 2)Music player_____________
收錄日期: 2021-04-30 01:11:10
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https://hk.answers.yahoo.com/question/index?qid=20080918000051KK01458