The introduction presents arpeggios on the harp against a string tremolo--an enchanting sonority . 引子，在弦乐的震音上竖琴奏出了琶音，一种迷人的音响。
2.
A war came knocking on your door 一个战争受到在你的门上爆震音的影响。
3.
Ms wu is a virtuoso [ 4 ] interpreter of traditional music , creating hauntingly exotic waves of sound with pizzicatos and tremolos [ 5 ] ( the plucking of one string with all five fingers consecutively ) 吴女士使用弹拨和震音（用5根手指连续拨动一根弦） ，奏出了众多令人萦怀的异国曲调，其诠释传统音乐的造诣之深可见一斑。
