单词	nipple
释义	nipplenipple /ˈnɪpəl/ noun [countable] Etymology ETYMOLOGYnipple Origin: 1500-1600 Perhaps from neb, nib point; ➔ NIB 1 science the small dark raised circle on a woman’s breast, that a baby sucks in order to get milk2science one of the two small dark raised circles on a man’s chest3the rubber part on a baby’s bottle that a baby sucks milk through4something shaped like a nipple, for example on a machine
随便看	separatist separator sepia sepoy sepsis Sept. September septet septic septicemia septic system septic tank septuagenarian septum sepulcher sepulchral sequel sequence sequencing sequential sequentially sequester sequestered sequin sequined

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