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plexor
[plexor 词源字典]
"A small hammer with a rubber head used to test reflexes and in medical percussion", Mid 19th century: formed irregularly from Greek
plēxis
'percussion' (from
plēssein
'to strike') + -or
1
.
[plexor etymology, plexor origin, 英语词源]
[plexor 词源字典]