蛇的外貌特征: long,round, dry,scaly,stretchy, soft, cool 蛇的生活环境: field,forest, desert, ocean, park, warm place, cool 蛇的身体结构: skin,tongue, eye, scale,bone,body, scute, bellyplacehead, ear, heat pit, fang 与蛇爬行有关的词: slide, move, slither, crawl 与蛇捕食有关的词: stretch,swallow, coil, squeeze give birth to sb./sth.生孩子;产仔 the same...as sth.与某物一 stop doing sth.停止做某事 样.....· all year long 全年 take care of... 照料...... 动词不定式作目的状语: To warm up, a snake lies in the sun 宾语从句: Imagine what it would feel like to have all those tiny wigglers inside your body! 条件状语从句: If a snake loses a tooth, a new one quickly grows in. 定语从句: Snakes eat mice, rats, and insects that we do not want in our homes or eating our crops. 结果状语从句: Some people like snakes so much that they keep them as pets.