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纳秒
nà​miǎo

nanosecond

Definitions Defs Origin Strokes Stroke Words Sentences Sents
  1. 纳 納 nà
    nano-
    (bound form) prefix for one-billionth
  2. 秒 miǎo nounmeasure word
    second
    measure word for time equal to 1/60th of a minute