這本書介紹了有關蛇的各種常識,同時也介紹了長度的單位。適合6歲以上兒童閱讀。Snakes are cold-blooded reptiles that have no arms and no legs. They have forked tongues. they have no ears and no eyelids. They can't blink. They are covered with dry scales. which snakes are long, longer, longest? Let's read and find out. |