retrofire

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. The firing of rockets directed opposite to a craft's direction of motion in order to slow down.
    — The spaceship needs to turn around so its retrofire rockets slow it down and put it in a lower orbit.
动词 v.
  1. To fire rockets of a craft in the direction opposite to its direction of motion in order to slow down.

词形变化

retrofires plural retrofires present,singular,third-person retrofiring participle,present retrofired participle,past retrofired past

词源

词源 1
Etymology tree
Proto-Italic *wre-
Proto-Italic *wretrō
Latin retrōder.
English retro-
Proto-Indo-European *péh₂wr̥
Proto-Germanic *fōr
Proto-West Germanic *fuir
Old English fȳr
Middle English fyr
English fire
English retrofire
From retro- + fire.
词源 2
Etymology tree
Proto-Italic *wre-
Proto-Italic *wretrō
Latin retrōder.
English retro-
Proto-Indo-European *péh₂wr̥
Proto-Germanic *fōr
Proto-West Germanic *fuir
Old English fȳr
Middle English fyr
English fire
English retrofire
From retro- + fire.
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