单词	zeptosecond
释义	zep·to·sec·ond (zĕptō-sĕk′ənd) n. Abbr. zs or zsec One sextillionth (10-21) of a second.
随便看	piperacillin piperazine piperidine piperine piperocaine piperonal pipestone pipet pipette pipe up pipevine pipe wrench piping piping hot pipistrel pipistrelle pipit pipkin pippin pipsissewa pip-squeak piquancy piquant piquantly piquantness

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