英语翻译today let's talk about bones .we have long bones and sho
英语翻译
today let's talk about bones .we have long bones and shourt bones.an adult has206bones.half of our bones are in zhe hand and zhe feet.most of zhese bones help our body to move easily .every hande has27 bones.they make up zje wriist,zhe palm ,and zhe fingers there are26 bones in zhe head.small chlidren may have20teeth,but adults may have 32teeth