Intervals may be modified by the addition sharps , flats or naturals by the side of numerals.音程可以通过在数字旁添加升降或还原号来改变.Sharps or flats next to individual notes only apply within the measure.高音或低音符号只能在相近的小节内使用.A difficult pia...
农民过去用手打麦脱粒.Farmers used to thrash their wheat by hand.在一些村子里,农民用机器来打麦.In some villages farmers use a machine to thresh wheat.在有脱粒机之前,农民用手打麦脱粒.Before thrashing machines farmers thrashed their wheat by hand....