ラ音 is another way of writing 囉音.

The doctor listened to his chest with a stethoscope and heard rales.

When he opened the door, a metallic sound echoed.

His pronunciation is characterized by approximants.

His language contains many ejective sounds.

A click, or suction sound, is a sound that is produced by rapidly sucking in the air in the oral cavity.

He is good at pronouncing lateral sounds.

In phonetics, glottal sounds are produced by the movement of the vocal cords.

Pharyngeal sounds are difficult to pronounce.

In linguistics, uvular consonants are used to represent specific sounds.