| 单词 | propulsion |
| 释义 | Word Frequency propulsion(prəˈpʌlʃən) noun 1. the act of propelling or the state of being propelled 2. a propelling force Derived forms propulsive (prəˈpʌlsɪv) or propulsory (proˈpulsory) adjective Word origin C15: from Latin prōpellere to propel |
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