海豚的性格特點: curious,playful,gentle,smart,friendly 海豚游泳時的動作:swim,jump,dive,turn,rise,leap,chase 海豚的身體結構: lung,blowhole, head, skin,body,tail, mouth,fipper, fin, back, snout, tooth 與海豚叫聲有關的詞: whistle,chirp,squeak,squeal in charge of...主管·....;負責...... watch for... 觀察等待...... hold one's breath 屏住呼吸 get along well 相處得好 be tightly packed 緊密地壓在一起 時間狀語從句: Acalf can swim as soon as it is born. it 作形式主語: It's hard for dolphins to see the little fish they like toeat on the ocean floor. 介詞短語作方式狀語:Adolphin can find afish by seeing it withsound! 條件狀語從句: Ifa dolphin is hunting alone,it will put its head to theground and make a clicking noise. 定語從句: The long-finned pilot whale is a dolphin that can divealmost 2,000 feet!