我弟弟家有一只小乌龟,它的名子叫贝贝。一天中午,妈妈带我到弟弟家玩。刚进屋,我就拉着弟弟到洗手间观察贝贝。贝贝有一个很硬的外壳,就算我的双脚踩上去它也能承受得住。我发现贝贝的硬壳上有许多方方正正的东西很好玩,就伸手想去摸一摸,可是我的手还没有碰到它,它就迅速地把头和四肢缩回到了 My brother has a small tortoise, whose name is Beibei. One day at noon, my mother took me to my brother's house to play. Just entered the house, I took my brother to the bathroom observation Babe. Babe has a very hard shell, even if my feet stepped on it can withstand. I found out that there were many things that were fun in the hard shell of Babe and wanted to touch it, but my hand did not touch it, and it quickly retracted its head and limbs