arm 手臂图解 1:6sc 2:( sc,inc )*3 = 9 3~4:9sc 5:( sc,dec )*3 = 6 6~8:6sc mouth 嘴巴图解 1:6sc 2:6 sc inc = 12 3:( sc,inc )*6 = 18 ear 耳朵图解 1:6sc 2:( sc,inc )*3 = 9