这乐曲以三个短音符和一人长音符开始。

It begin with three short note and one long one.

音型一组短而连贯的音符或和弦构成的基本音型，经常为一更大的乐曲或结构构成基础

A brief melodic or harmonic unit often constituting the base for a larger phrase or structure.

在莫尔斯或其它电码中的点短音或符号与长划及无音间隔结合起来表示字母、数字或标点

In Morse and similar codes, the short sound or signal used in combination with the dash and silent intervals to represent letters, numbers, or punctuation.