- 問題詳情:Monarchbutterflies(黑脈金斑蝶)areacommonsummersightinthenorthernUnitedStatesandCanada.Theselargeorangeandblackinsects(昆蟲)brightenparksandgardensastheyflylightlyamongtheflowers.Whatmakesmonarchsparticularlyinterestingisthattheymigrate(遷飛)-allthe...
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