| 单词 | precession |
| 释义 | [/prɪˈseʃn; prɪˋsɛʃən/] n [U] (also pre,cessionof the `equinoxes) gradual change in the angle at which the earth revolves daily, causing the equinoxes to occur slightly earlier in each successive year 岁差（地球自转角度的渐次变化, 使每年的春分点及秋分点比上年略为提前）. |
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