footprint宇宙飞船: space craft; space ship的: 4次方是 The fourth power of 2 i ...预定: fix in advance; predetermine ...着陆: landing; land; touch down点: drop下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:宇宙飞船的预定着陆点，即可在微信中查询翻译
