why the fish will up to swim
回答 (1)
2008-06-28 1:37 am
✔ 最佳答案
because1.because the water are so dirty then the fish can't breath at the water so they need to swim up to breath.
2.because the fish got sick then they can't breath easily breath at the water.
收錄日期: 2021-04-13 15:44:40
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https://hk.answers.yahoo.com/question/index?qid=20080624000051KK02791