retrorocket
retrorocket
◙ noun
1. 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
• 制动火箭，减速火箭
| 包含retrorocket | 前缀 | 后缀 | 任意 | 例句 |
| \ | 3个字母 | 4个字母 | ||||
|---|---|---|---|---|---|---|
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