… (水泡)! Astronauts use a specialhose(软管) to take showers. And when they're finished, they use avacuum(真空的 …

… 大本营 care 介意worry 烦恼，忧愁empty 空的collect 收集生词大本营生词大本营生词大本营care 介意worry 烦恼，忧愁empty 空的collect 收集care 介意care 介意 …

… see a blue planet ?a the Earth,glittering(闪烁) like a diamond.Twenty Senior 1 students from Beijing …

… 真是个棘手的问题。英语词汇解析parade 游行vacuum 真空veteran 老兵casualty 伤亡coalition 联合reconciliation 和解scramble 爬行audacious 大胆 …

… only 10 percent of the 1,600 people who took part agreed that the coup which led to the end …

… 国际空间站——一座漂浮在浩渺太空的人类新"城市"！If you watch the sky about an hour after the sun goes down, you may see …

… 一份超越时空的信，讲述一个来自冰雪世界的爱情哲理故事，探讨永恒的生命主题。CAN a letter bridge the gap of time and lead a boy …

… Discovery)将于7月1日发射升空。“发现”号此次飞行的任务之一是测试改进后航天飞机安全措施的有效性。它还将为国际空间站(ISS: International Space Station)送去 …