同根派生 upright piano相关词英汉例句用作名词 (n.)The piano was nearly always an upright.钢琴差不多总是直立式钢琴。The piano family in this house ranges from grand and square to upright and pianola.展品包括了三角钢琴,长形钢琴,立式钢琴和自动钢琴等。upright piano更多例句