2010-03-23 Making Order From the Building Blocks of Life
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I’m Faith Lapidus. BOB DOUGHTY: And I’m Bob Doughty. Today we talk about genes. They are parts of…
VOA英语教学网 - VOA LEARNING ENGLISH
一个让你免费在线学习VOA英语的好地方! 无须报名, 不收学费, 全年无休, 保证提高! (^_^)
FAITH LAPIDUS: This is SCIENCE IN THE NEWS, in VOA Special English. I’m Faith Lapidus. BOB DOUGHTY: And I’m Bob Doughty. Today we talk about genes. They are parts of…