狼的外貌特征:long snoutstrong jaws,large tooth犬科的成员: wolf,fox,coyote,jackal,wild dog,domestic dog 狼的猎物:rabbit,moose,deer,caribou,elk, bison 狼的叫声: howl,whimper,bark,growl, snarl would rather do sth.宁愿做某事 care for 照顾 be afraid of...害怕...... for this reason 由于这个原因 be famous for...以·.....而闻名 表语从句: Howling is what wolves are famous for! There be句型的就近原则: There is one alpha male and one alphafemale in each pack. 时间状语从句: When young wolves are two to three years old, theyleave to form their own packs. 结果状语从句: So many wolves were killed that there were nolonger any wolves in a lot of places. 宾语从句: Some people worried that wolves might become extinct.