| 释义 |
blue moon
noun[ C ]
environment specialized(also Blue Moon)uk /ˌbluː ˈmuːn/ us /ˌbluː ˈmuːn/
the second full moon(= the time when the moon is shaped like a complete disc) in a month, that appears around every two and a half years: （每两年半出现一次的）蓝月亮，一个月中的第二个满月
How often does a Blue Moon occur, and when will there be another?蓝月亮多久会出现一次，下次什么时候？
A blue moon doesn't look blue.蓝月亮看起来并不是蓝色的。
The second full moon in any month is called a blue moon.
Depending on your time zone, the Blue Moon of July 2004 occurred in either July or a month later
October did not feature a blue moon, contrary to widespread reports.
SMART Vocabulary: related words and phrases
Astronomy
albedo
Andromeda
Aquarius
Aries
asteroid
galaxy
Gemini
geostationary
geosynchronous
gibbous
observatory
orbit
orbital
Orion
penumbra
substellar
sunspot
supergiant
supermassive
supermoon
Idiom
once in a blue moon
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