Just two days after the president presented his initiative, NASA announced that it would cancel a shuttle flight to install new gyroscopes, batteries and scientific instruments to the Hubble.
英
美
释义
如果NASA不改变这项决定的话,几年之后,这具太空望远镜的龙头老大将在现有仪器失效后停止运作。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载