How to describe: dragon's cry, horse's cry, teacher's cry, wolf's cry, ape's cry, tiger's cry, crane's cry, please fill in.

Tigers roar, lions roar, dragons sing, cranes crow, apes crow, Ma Si howls, and dogs bark.

Horses (hiss), tigers (roar) and apes (crow)

Lion (Roar) Dog (Call) Cow (Moo)

Dragon (Yin), Wolf (Howl) and Sheep (Baa)

Pigeons (singing) cicadas (noise)

Voice:

Sound is the sound wave produced by the vibration of an object. It spreads through media (air or solid, liquid) and can spread through people or animals.

The fluctuation phenomenon of auditory organ perception. The source of the object sound that vibrates (vibrates) at first. Sound vibrates in waves.

Spread. Sound is the movement formed by sound waves propagating through any substance. As a wave, the frequency of sound is 20 Hz~20 kHz.

Sound can be recognized by human ears.