首页英语词典vanguardvanguard考试真题

vanguard

英 ['vængɑːd] 美['vænɡɑrd]
  • 先锋盾
  • n. 前锋科学卫星

考试真题


It might seem surprising to think about an item staying in space for that long, but the oldest satellite still in orbit—Vanguard 1—turned 60 in 2018.

2019年6月六级真题(第二套)阅读 Section C

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