once in a blue moon

听听怎么读
英 [wʌns in ə blu: mu:n]
美 [wʌns ɪn e blu mun]
是什么意思
  • adv.

    千载难逢地;俟河之清;百年不遇;

  • 英英释义

    Once in a Blue Moon

    • Once in a Blue Moon is an album by the Phil Beer Band released in 2001. It is their latest recorded album using this band name.

    以上来源于:Wikipedia

    学习怎么用

    双语例句

    1. It was in the days when motorcars were rare.
      那是在汽车还罕见的时代。
    2. Several rare birds have been sighted in this area.
      本地区已发现了几种罕见的鸟。

    权威例句

    Once in a blue moon
    Once in a blue moon
    Once in a Blue Moon
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    Cutaneous metastasis in endometrial cancer: once in a blue moon – case report
    Once in a Blue Moon: Airmen in Theater Command
    Once in a blue moon: detection of 'bluing' during debris transits in the white dwarf WD1145+017
    Once in a Blue Moon … Rare Adnexal Tumor: From the Clinical and Videodermoscopical Aspects to the Mohs Surgery and the Histological...
    Once in a Blue Moon Lodge: A Novel
    Once in a Blue Moon Lodge
    The origin of the expression “once in a blue moon”. Can the moon really be blue?
    Once in a Blue Moon Lodge: A Novel
    Once in a Blue Moon Lodge: A Novel
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