英语词汇“once in a blue moon”的读音、翻译、意思、用法、释义-英汉双解词典

词汇	once in a blue moon
释义	once in a blue moon : very rarely难得有一次；极为罕见 It happens once in a blue moon.这真是千载难逢啊。 blue moon
随便看	earthshaking earthshattering earth tone earth-toned earth toned earth tones earthwork earthworks earthworm earthworms earthy earwax earwig earwigs ease eased easel easels ease off eases ease up on easier easiest easily easiness