A trip to space 去太空旅行 Im so happy! Tomorrow Ill be one of the first students to travel into space. The spaceship will leave the Earth at 9 a.m. Itll take us to the Moon. I cant wait! The Moon is around 380,000 kilometers from the Earth, so

发表于:2018-12-18 / 阅读(59) / 评论(0) 分类 TED演讲国际问题篇

EXPLORATIONS -April 3, 2002: Spacesuit History By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-04 / 阅读(96) / 评论(0) 分类 Explorations

EXPLORATIONS - The Evolution of Spacesuits STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with the VOA Special English program EXPLORATIONS. Today we tell about the special clothes astronauts wear that protect them while they

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 2011年VOA慢速英语(四)月

Therere some basic things you should know about Mars before leaving home. Most days will be clear, and sunny and cold. The average temperature on Mars is as bitter as midwinter in Antarctica. And about half the diameter of the earth, Mars is a handy

发表于:2019-01-26 / 阅读(61) / 评论(0) 分类 自然百科2012年