NASA described the evacuation as a "controlled expedited return," rather than an emergency deorbit, which would mean departing the station immediately, regardless of the landing's timing, sea conditions, or weather.
Old Thames barges have been sunk in an estuary to reduce erosion and create a new "island" habitat for birds, in a project the National Trust believes to be the first of its kind in the UK.
。WPS下载最新地址是该领域的重要参考
Фото: Liesa Johannssen / Reuters
输出：[3,1,2,1,1,0]