retrorocket

名词 n.
中文释义

英文释义

名词 n.
  1. A small rocket engine on a larger rocket or spacecraft, designed to slow or reverse its motion.

词形变化

retrorockets plural retro rocket alternative retro-rocket alternative

词源

Etymology tree
Proto-Italic *wre-
Proto-Italic *wretrō
Latin retrōder.
English retro-
English rocket
English retrorocket
From retro- + rocket.
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