| 释义 | descension
 descension(dɪˈsɛnʃən) n1. the action of descending; descent2. astronomy the setting (descent below the horizon) of a celestial body3. astronomy the section of the sky which descends below the horizon along with a given celestial bodyde•scen•sion(dɪˈsɛn ʃən)
 n.    1.  (in astrology) the part of the zodiac in which the influence of a planet is weakest. Compare exaltation (def. 4).    2.  descent. [1350–1400; Middle English descensioun < Old French descension < Latin dēscēnsiō=dēscend(ere) to descend + -tiō -tion]
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