1, timbre: Ding-dong is a crisp and pleasant knocking sound, which is often used to describe the light sounds such as springs and bells; Ding Dong is a sharper and more urgent sound, which is often used to describe the sound of objects such as metal or porcelain colliding.
2. Usage: Ding-dong is generally used to describe soft and brisk sounds, such as the sound of springs and bells. Ding Dong is more commonly used to describe sharp and urgent sounds, such as metal collision and porcelain cracking.
3. Source: The word Ding Dong comes from the sound of simulated spring water; Ding Dong comes from the sound of simulating metal collision.