琶音

chàn yīn bù shì yī zhǒng jì qiǎo zhǐ shì mǒu zhǒng pá yīn de biǎo xiàn xíng shì

颤音不是一种技巧，只是某种琶音的表现形式。

Tremolo is not a technique but an effect produced when a certain type of arpeggio is employed.