night-night

['nait'nait]
  • interj.
    • [口语]晚安!再见!
  • adv.
    • 睡觉
  • 短语:
    • go night-night [儿语]去睡觉
night-night
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英文词源

night-night
nursery talk, "good-night," 1896; form nighty-night is attested from 1876.