pianon.钢琴adj.轻柔的adv.轻柔地
piano collections钢琴组曲
piano wire screen琴弦筛
piano performance钢琴演奏
piano music score钢琴背谱
piano-accordionn.键盘式手风琴
piano-key switch琴键开关
piano performances钢琴演奏
piano accompanying钢琴伴奏
piano-wire screen钢丝筛
piano-like switch类钢琴开关