单词	aerobrake
释义	aerobrake verb aero·​brake ˈer-ō-ˌbrāk  aerobraked; aerobraking; aerobrakes transitive verb : to decelerate (a spacecraft) by passage through a planetary atmosphere aerobraking ˈer-ō-ˌbrā-kiŋ  noun Starting in a week, the spacecraft will use the upper fringes of the Martian atmosphere to lower and circularize its orbit through a technique called aerobraking. John Noble Wilford Example Sentences Recent Examples on the Web In practice, aerobraking at Mars was made problematic by the need to aerobrake the liquid hydrogen propellant required for the flight from Mars back to Earth. David S. F. Portree, WIRED, 24 July 2013 Word History Etymology aero- + brake entry 2 First Known Use 1965, in the meaning defined above
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