반응형 영어등급컷1 영어1 YBM 박준언 6과 본문 A Martian Dream 읽기 연습 Lesson 6 The Future of Space Exploration A Martian Dream In 1969, the spacecraft Apollo 11 landed humans on the moon for the very first time in history. The world has had to wait for half a century since then before seriously considering going to Mars. The delay has been because Mars is simply too far from Earth, and we have had only limited knowledge about it. With the development of science an.. 이전 1 다음 반응형