词典释义：
an obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination
（天体的）食
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an eclipse of the sun .日食。
〈喻〉 （在重要性、权力或声望等方面相对于另一人或物的）黯然失色
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the election result marked the eclipse of the traditional right and centre .选举结果标志着传统的右翼和中间势力的没落。
【鸟】 （尤指雄鸭换掉繁育期鲜艳羽毛后的）羽毛暗淡期
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[as modifier]
eclipse plumage .（交配期后不复鲜艳的）非婚羽。
(of a celestial body)obscure the light from or to (another celestial body)
（一天体）遮掩（另一天体）的光，食
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Jupiter was eclipsed by the Moon .木星被月球遮住了。
〈诗／文〉 遮暗，遮掉（光）
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a sea of blue sky violently eclipsed by showers .阵雨无情地遮暗了茫茫蓝天。
deprive (someone or something) of significance, power, or prominence
掩没（某人或物）的重要性 （或权力、声誉）， 使黯然失色
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the state of the economy has eclipsed the environment as the main issue .经济状况超过环境问题而成为主要问题。
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in eclipse 1 losing or having lost significance, power, or prominence 失势的，失色的his political power was in eclipse . 他的政权已失势 -
２ Ornithology （especially of a male duck） in its eclipse plumage 【鸟】 （尤指雄鸭）披一身（不鲜艳）非婚羽的
"Middle English： from Old French
