单词	picosecond
释义	pi·co·sec·ond (pēkə-sĕk′ənd, pī-) n. Abbr. ps or psec One trillionth (10-12) of a second.
随便看	overhype overindulge overindulgence overindulgent overindulgently overissue overjoy overjoyed overkill overladen overlaid overlain overland Overland Trail overlap overlay overlay overleaf overleap overlearn overlie overload overlong overlook overlord

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