Unit 2 Its thinfat 胖的胖的thin 瘦的拓展：very fat 非常胖small 小的小的little 小的小的big 大的大的Look at the black cat.看这只黑色的猫。Its very fat.它非常胖。Look at the pink pig.看这只粉红色的猪。Its very big.它非常大。Look at the father pig.看这只猪爸爸。Its fat.它胖胖的。And that is the mother.那个是猪妈妈。Its thin.它瘦瘦的。Look !Six baby pigs.六只小猪宝宝。Five are little. And one is big.五只是小小的，一只最大。Two are black and four are pink.两只是黑色和四只是粉红色。