plectrum

plectrum
[ˈplɛktrəm]
(pl. plectrums plectra -trə)
  1. a thin flat piece of plastic, tortoiseshell, or other slightly flexible material held by or worn on the fingers and used to pluck the strings of a musical instrument such as a guitar
    拨子,琴拨,拨弦片
    ■the corresponding mechanical part which plucks the strings of an instrument such as a harpsichord
    机械琴拨
语源
  1. late Middle English: via Latin from Greek plēktron 'something with which to strike', from plēssein 'to strike'
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