| 单词 | propellant |
| 释义 | propellant [prə'pel.ənt] noun countable or uncountable ■an explosive substance or fuel which causes something to move forwards 推进剂，发射剂 ■a gas which is used in aerosols to force the liquid out in very small drops （喷雾容器中提供压力的）压缩气体 |
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