夏说英语新闻晨读 第26期:钢铁侠火箭升空(在线收听) |
本期内容: SpaceX, an American space startup, launched 11 communications satellites into orbit before returning the first stage of its Falcon 9 rocket to Cape Canaveral in Florida, where it made a powered landing. Reusing the first stage, which accounts for 70% of the rocket’s $54m cost, would make access to space much cheaper. 词义解析: Startup:创业公司 communications satellites:通讯卫星 orbit:轨道 account for:占…… |
原文地址:http://www.tingroom.com/lesson/xsyyxwcd/462397.html |