短吻鱷和鱷魚的生活環境: warm area,pond,lake,marsh,wetlandriver, swamp 短吻鱷和鱷魚的身體結構: jaw,tooth,snout,ear,nostril,eye,eyelidlung, tail, foot, body, skin 短吻鱷和鱷魚的行為動作:swim,float, see,smell,hear,feel, eat,shoot, grab, gulp, roar, attack 短吻鱷和鱷魚的食物: fish,insect, bird,frog,snake,mammal,antelope, buffalo belong to... 屬于...... watch out 小心 wait for... 等待...... stick around 不走開;待在原地 gulp down... 大口吞咽·..... 讓步狀語從句: Though alligators and crocodiles are different, theyare both reptiles. 過去分詞短語作后置定語:Alligators and crocodiles belong to agroup of reptiles called crocodilians. 比較狀語從句: They see much better in the dark than we do. 定語從句: Crocodilians are carnivores, which means they eatmeat. 被動語態: Then laws were made to protect them.