半音与全音：
Semitone and whole tone:
音与音之间最小的音高距离叫半音，两个半音构成一个全音。在简谱中，7、1之间及3、4之间是半音。
The minimum pitch distance between tones is called a semitone, and two semitones form a whole tone. In the simplified score, the chromatic sound between 7 and 1, and between 3 and 4.
音符：
Note:
乐谱中表示音的长短的符号叫音符，在简谱中用1、2、3、4、5、6、7表示。
The symbols indicating the length of the sound in the music score are called notes, which are represented by 1, 2, 3, 4, 5, 6 and 7 in the simple score.