.Theyliveingr的精選

問題詳情：閲讀理解Dolphins(海豚)arenotfishbutmammals(哺乳動物)．Theyliveingroups,andspeaktoeachotherintheirownthiswaytheyarelikemanyotheranimals,likedolphinsareverydifferentfromalmostalllandrbrain(腦)isne...