| 词汇 | precession |
| 释义 | precession noun [ U ] physics specialized uk/prɪˈseʃ.ən/ us/prɪˈseʃ.ən/ （行星的）进动 the slow and continuous change in the rotation (= movement around a fixed point) of a planet, star, etc. that is spinning around another planet, star, etc. |
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