爸爸在看电视``妈妈在打扫卫生``爷爷在听音乐``奶奶和姑姑谈话``用英语怎么说?
My father is watching TV
My mother is doing some cleaning
Grandpa is listening to the music
Grandma is talking to my aunt
答:在远古时代,当人类还在赤身露体的过着原始人的群居生活时,出于交流上的需要,人类迫切需要创立一种交流的工具。而对于这种交流工具的寻找,则促进了人类对于语言的发明。...详情>>