riffing英 [ˈrɪfɪŋ]美 [ˈrɪfɪŋ]除砂现在分词:riffing 双语例句In form, Ellison makes creative use of blues techniques, such as improvisation, riffing, and call-and-response.在形式上,埃里森创造性地运用了诸如即兴创作、重复演奏、和声应答等多种布鲁斯技巧。