![Polarbearsareoneofthemostpopularanimalsforpeople.Polarb...]( "Polarbearsareoneofthemostpopularanimalsforpeople.Polarb...")
- 问题详情：Polarbearsareoneofthemostpopularanimalsforpeople.Polarbearsaredifferentfromeveryotherbearintheworld.Thisisbecausepolarbearshavewhitefur.However,therearemanyfactsaboutpolarbearsthatpeoplemightnotbeawareof.年Theskinofpolarbearsisblack,whichacco...
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