单词：plectrums
音标：[ˈplektrəmz] ；
n. 拨子, 琴拨( plectrum的复数形式 )
n. a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument
plectrum的用法和样例：
例句
用作名词(n.)
- Most ants have a natural plectrum built into their abdomens that they can rub to make sound.大多数蚂蚁的腹部生有一块天然的“琴拨”，它们依靠互相摩擦来发声交流。