NASA has said a deorbiting operation would begin by slowing lowering the ISS' altitude level.
NASA表示,脱轨操作将从减缓国际空间站的高度开始。
单词 | level altitude |
例句 |
原声例句
VOA慢速英语_科技 NASA has said a deorbiting operation would begin by slowing lowering the ISS' altitude level. NASA表示,脱轨操作将从减缓国际空间站的高度开始。 |
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