As soon as the volume steadies itself , the trill begins to descend chromatically, never resting.当音量稳定下来后,富有色彩的颤音时不时出现, 从未停止....

chromatically的音标：chromatically的英式发音音标为：[krəʊ'mætɪklɪ]chromatically的美式发音音标为：[kroʊ'mætɪklɪ]...

adv.上色，套色...