losing or having lost significance, power, or prominence失势，失色(Ornithology)(especially of a male duck) in its eclipse plumage(鸟)（尤指雄鸭）处于非繁育期
柯林斯高阶英汉双解学习词典释义
N-COUNT
(日)食;(月)食
An eclipse of the sun is an occasion when the moon is between the earth and the sun, so that for a short time you cannot see part or all of the sun. An eclipse of the moon is an occasion when the earth is between the sun and the moon, so that for a short time you cannot see part or all of the moon.
例句
...an eclipse of the sun.日食...the solar eclipse on May 21st.5月21日的日食
VERB
使黯然失色;使相形见绌;盖过
If one thing is eclipsed by a second thing that is bigger, newer, or more important than it, the first thing is no longer noticed because the second thing gets all the attention.
例句
The gramophone had been eclipsed by new technology such as the compact disc...激光唱片等新技术使留声机黯然失色。Of course, nothing is going to eclipse winning the Olympic title.当然，没有什么能比得过赢得奥运会冠军。
英汉词典释义
n.
(日、月)食; 日蚀;月蚀
There was a total eclipse showing up in the sky on July 22, 2009 in China.2009年7月22日，中国的天空上呈现了一场日全食。
消失, 黯然失色,（重要性、权势等的）丧失, 暗淡
During the seventies, her acting career was in eclipse.在七十年代, 她的表演生涯黯然失色。
vt.
(日、月)食; 月球、地球等遮住…的光
The moon is partly eclipsed.月偏食了。
使黯然失色; 使蒙上阴影; 使相形见绌; 使丧失重要性
Our happiness was soon eclipsed by the terrible news.我们的快乐很快就被可怕的消息蒙上一层阴影。
英英词典释义
Noun
1. one celestial body obscures another
Verb
1. exceed in importance; outweigh;
"This problem overshadows our lives right now"
2. cause an eclipse of (a celestial body) by intervention;
"The Sun eclipses the moon today""Planets and stars often are occulted by other celestial bodies"