retrorocket
ret ro rock et |ˈretrōˌräkit ˈrɛtroʊrɑkɪt | ▶noun a small auxiliary rocket on a spacecraft or missile, fired in the direction of travel to slow the craft down, for example, when landing on the surface of a planet.
retro |rocket |ˈrɛtrəʊrɒkɪt | ▶noun a small auxiliary rocket on a spacecraft or missile, fired in the direction of travel to slow the craft down, for example when landing on the surface of a planet.
r é tro r ò cket 名詞 C 逆推進ロケット .
The Wordsmith Dictionary
The Wordsmith Dictionary