参考词典中blue moon的常规释义:
基本释义
- n. 不可能或稀有的时期或事情
参考例句
- Charlie dances with Fenny only once in a blue moon.
查理极少与詹妮跳舞
- Charlie dances with Fenny only once in a blue moon.
英英解释
1个名词解释
- a long time
[例]- something that happens once in blue moon almost never happens
点击查看……- a long time







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